#5D91FE
Closest named color: Cornflower Blue (#6495ED). oklch(67.3% 0.171 263.3), rgb(93, 145, 254).
Aa
Black text reads best on this color (6.94:1).
About this color
#5D91FE is a medium-light, vivid blue. In OKLCH its lightness is 67%, its chroma 0.171 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.030 away. Black text reads best on it, at 6.94:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.171) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 6.94:1 |
| White text | 3.02:1 |
Values
| HEX | #5D91FE |
| RGB | rgb(93, 145, 254) |
| HSL | hsl(221, 99%, 68%) |
| OKLCH | oklch(67.3% 0.171 263.3) |
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 #5D91FE | 3.02:1 | AA large text | Lc -62.1 | Content text, not long reading |
| Black text on #5D91FE | 6.94:1 | AA | Lc 47.4 | Large or bold text, headings |
| #5D91FE text on white | 3.02:1 | AA large text | Lc 56.7 | Large or bold text, headings |
| #5D91FE text on black | 6.94:1 | AA | Lc -45.1 | Large or bold text, headings |
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 400.
-
Step 50
50
#F1F6FF
oklch(97.2% 0.013 262.4)
-
Step 100
100
#DFEAFF
oklch(93.5% 0.031 263.5)
-
Step 200
200
#C6DAFF
oklch(88.5% 0.056 262.8)
-
Step 300
300
#A1C1FF
oklch(81% 0.095 263.3)
-
Step 400
400 (this color)
#5D91FE
oklch(67.3% 0.171 263.3)
-
Step 500
500
#4781FF
oklch(63.2% 0.197 263.3)
-
Step 600
600
#2162FB
oklch(55.7% 0.237 263.3)
-
Step 700
700
#154FDB
oklch(49.1% 0.221 263.4)
-
Step 800
800
#1342B1
oklch(42.7% 0.183 263.3)
-
Step 900
900
#163A8C
oklch(37.8% 0.143 263.3)
-
Step 950
950
#0E2352
oklch(27.1% 0.09 263.4)
#5D91FE 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) | #5E9CFF | 0.029 |
| Deuteranopia (no green cones) | #448DFC | 0.026 |
| Tritanopia (no blue cones) | #00AABB | 0.143 |
| Achromatopsia (no color) | #949494 | 0.171 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5D91FE
#5D91FE
oklch(67.3% 0.171 263.3)
- #BF8D00
#BF8D00
oklch(67.4% 0.138 83.3)
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 #5D91FE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.030
- Chefchaouen Blue #4895EF ΔE 0.032
- Soft Blue #6488EA ΔE 0.034
- Dodger Blue #1E90FF ΔE 0.043
- Dark Sky Blue #448EE4 ΔE 0.047
- Lavender Blue #8B88F8 ΔE 0.056
- Cornflower #6A79F7 ΔE 0.059
- Periwinkle Blue #8F99FB ΔE 0.065
Use #5D91FE 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.