#5179FD
Closest named color: Cornflower (#6A79F7). oklch(61.9% 0.201 267.5), rgb(81, 121, 253).
Aa
Black text reads best on this color (5.50:1).
About this color
#5179FD is a medium-dark, vivid blue. In OKLCH its lightness is 62%, its chroma 0.201 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.030 away. Black text reads best on it, at 5.50:1.
| Hue family | Blues |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.201) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.50:1 |
| White text | 3.81:1 |
Values
| HEX | #5179FD |
| RGB | rgb(81, 121, 253) |
| HSL | hsl(226, 98%, 65%) |
| OKLCH | oklch(61.9% 0.201 267.5) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #5179FD | 3.81:1 | AA large text | Lc -70.7 | Content text, not long reading |
| Black text on #5179FD | 5.50:1 | AA | Lc 38.8 | Non-text elements, placeholder text |
| #5179FD text on white | 3.81:1 | AA large text | Lc 65.2 | Content text, not long reading |
| #5179FD text on black | 5.50:1 | AA | Lc -36.4 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F1F5FF
oklch(97% 0.014 268.5)
-
Step 100
100
#E1EAFE
oklch(93.6% 0.029 266.4)
-
Step 200
200
#C9D9FE
oklch(88.5% 0.054 266.8)
-
Step 300
300
#A6BFFF
oklch(80.9% 0.095 267.8)
-
Step 400
400
#779BFF
oklch(70.7% 0.152 267.5)
-
Step 500
500 (this color)
#5179FD
oklch(61.9% 0.201 267.5)
-
Step 600
600
#3C61F1
oklch(55.5% 0.22 267.5)
-
Step 700
700
#304FD2
oklch(49.1% 0.204 267.6)
-
Step 800
800
#2742A9
oklch(42.6% 0.168 267.4)
-
Step 900
900
#233986
oklch(37.6% 0.132 267.5)
-
Step 950
950
#15224E
oklch(26.9% 0.083 268)
#5179FD with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #1D8BFF | 0.050 |
| Deuteranopia (no green cones) | #007BFA | 0.044 |
| Tritanopia (no blue cones) | #0099AF | 0.165 |
| Achromatopsia (no color) | #838383 | 0.202 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5179FD
#5179FD
oklch(61.9% 0.201 267.5)
- #A68000
#A68000
oklch(61.9% 0.127 87.6)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #5179FD, closest first.
No curated palette has a color within ΔE 0.04 of #5179FD.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.030
- Clear Blue #247AFD ΔE 0.033
- Soft Blue #6488EA ΔE 0.056
- Dodger Blue #1E90FF ΔE 0.060
- Royal Blue #4169E1 ΔE 0.060
- Cerulean Blue #056EEE ΔE 0.063
- Medium Slate Blue #7B68EE ΔE 0.064
- Neon Blue #4361EE ΔE 0.064
Use #5179FD in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.