#5175F8
Closest named color: Cornflower (#6A79F7). oklch(60.8% 0.2 268.3), rgb(81, 117, 248).
Aa
Black text reads best on this color (5.24:1).
About this color
#5175F8 is a medium-dark, vivid blue. In OKLCH its lightness is 61%, its chroma 0.200 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.032 away. Black text reads best on it, at 5.24:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.200) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.24:1 |
| White text | 4.00:1 |
Values
| HEX | #5175F8 |
| RGB | rgb(81, 117, 248) |
| HSL | hsl(227, 92%, 65%) |
| OKLCH | oklch(60.8% 0.2 268.3) |
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 #5175F8 | 4.00:1 | AA large text | Lc -72.4 | Content text, not long reading |
| Black text on #5175F8 | 5.24:1 | AA | Lc 37.2 | Non-text elements, placeholder text |
| #5175F8 text on white | 4.00:1 | AA large text | Lc 66.9 | Content text, not long reading |
| #5175F8 text on black | 5.24:1 | AA | Lc -34.8 | 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
#F2F5FF
oklch(97.1% 0.014 272.7)
-
Step 100
100
#E2EAFE
oklch(93.7% 0.028 268.4)
-
Step 200
200
#CAD9FE
oklch(88.6% 0.054 267.9)
-
Step 300
300
#A6BFFF
oklch(80.9% 0.095 267.8)
-
Step 400
400
#799AFF
oklch(70.6% 0.153 268.6)
-
Step 500
500 (this color)
#5175F8
oklch(60.8% 0.2 268.3)
-
Step 600
600
#4061F0
oklch(55.6% 0.217 268.3)
-
Step 700
700
#334FD1
oklch(49.1% 0.202 268.3)
-
Step 800
800
#2A42A9
oklch(42.8% 0.167 268.3)
-
Step 900
900
#253985
oklch(37.6% 0.13 268.3)
-
Step 950
950
#16224E
oklch(26.9% 0.083 268.8)
#5175F8 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) | #1587FD | 0.052 |
| Deuteranopia (no green cones) | #0078F5 | 0.045 |
| Tritanopia (no blue cones) | #0094AB | 0.163 |
| Achromatopsia (no color) | #7F7F7F | 0.200 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5175F8
#5175F8
oklch(60.8% 0.2 268.3)
- #A17D00
#A17D00
oklch(60.7% 0.124 88.3)
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 #5175F8, closest first.
No curated palette has a color within ΔE 0.04 of #5175F8.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.032
- Clear Blue #247AFD ΔE 0.034
- Royal Blue #4169E1 ΔE 0.049
- Neon Blue #4361EE ΔE 0.054
- Cerulean Blue #056EEE ΔE 0.056
- Medium Slate Blue #7B68EE ΔE 0.059
- Soft Blue #6488EA ΔE 0.061
- Bright Blue #0165FC ΔE 0.068
Use #5175F8 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.