#5E99DD
Closest named color: Cornflower Blue (#6495ED). oklch(67.2% 0.119 253), rgb(94, 153, 221).
Aa
Black text reads best on this color (7.07:1).
About this color
#5E99DD is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.119 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.029 away. Black text reads best on it, at 7.07:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.119) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.07:1 |
| White text | 2.96:1 |
Values
| HEX | #5E99DD |
| RGB | rgb(94, 153, 221) |
| HSL | hsl(212, 65%, 62%) |
| OKLCH | oklch(67.2% 0.119 253) |
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 #5E99DD | 2.96:1 | Fails | Lc -61.4 | Content text, not long reading |
| Black text on #5E99DD | 7.07:1 | AAA | Lc 48.0 | Large or bold text, headings |
| #5E99DD text on white | 2.96:1 | Fails | Lc 56.1 | Large or bold text, headings |
| #5E99DD text on black | 7.07:1 | AAA | Lc -45.7 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E0EBF8
oklch(93.6% 0.021 252.5)
-
Step 200
200
#C7DBF4
oklch(88.4% 0.041 254)
-
Step 300
300
#9FC4F0
oklch(80.9% 0.074 253.1)
-
Step 400
400 (this color)
#5E99DD
oklch(67.2% 0.119 253)
-
Step 500
500
#3C8BE2
oklch(63% 0.152 253.2)
-
Step 600
600
#0F73D0
oklch(55.5% 0.166 253.1)
-
Step 700
700
#0060B3
oklch(49% 0.152 253.2)
-
Step 800
800
#074F92
oklch(42.7% 0.127 253.1)
-
Step 900
900
#134274
oklch(37.6% 0.099 253.2)
-
Step 950
950
#0D2744
oklch(27% 0.063 253.3)
#5E99DD 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) | #7D9DE0 | 0.038 |
| Deuteranopia (no green cones) | #6C90DC | 0.026 |
| Tritanopia (no blue cones) | #00A9B1 | 0.103 |
| Achromatopsia (no color) | #969696 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5E99DD
#5E99DD
oklch(67.2% 0.119 253)
- #C28937
#C28937
oklch(67.2% 0.119 72.8)
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 #5E99DD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.029
- Chefchaouen Blue #4895EF ΔE 0.036
- Dark Sky Blue #448EE4 ΔE 0.043
- Soft Blue #6488EA ΔE 0.053
- Faded Blue #658CBB ΔE 0.055
- Perrywinkle #8F8CE7 ΔE 0.069
- Dodger Blue #1E90FF ΔE 0.074
- Greyblue #77A1B5 ΔE 0.074
Use #5E99DD 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.