#4A91DE
Closest named color: Dark Sky Blue (#448EE4). oklch(64.6% 0.136 252.3), rgb(74, 145, 222).
Aa
Black text reads best on this color (6.39:1).
About this color
#4A91DE is a medium-light, moderately saturated blue. In OKLCH its lightness is 65%, its chroma 0.136 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.014 away. Black text reads best on it, at 6.39:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.136) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 6.39:1 |
| White text | 3.28:1 |
Values
| HEX | #4A91DE |
| RGB | rgb(74, 145, 222) |
| HSL | hsl(211, 69%, 58%) |
| OKLCH | oklch(64.6% 0.136 252.3) |
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 #4A91DE | 3.28:1 | AA large text | Lc -65.3 | Content text, not long reading |
| Black text on #4A91DE | 6.39:1 | AA | Lc 44.2 | Non-text elements, placeholder text |
| #4A91DE text on white | 3.28:1 | AA large text | Lc 59.9 | Large or bold text, headings |
| #4A91DE text on black | 6.39:1 | AA | Lc -41.8 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF7
oklch(93.6% 0.019 252.9)
-
Step 200
200
#C8DBF2
oklch(88.4% 0.038 253.2)
-
Step 300
300
#A2C4EB
oklch(80.9% 0.066 252.1)
-
Step 400
400
#6EA4E1
oklch(70.6% 0.107 252.3)
-
Step 500
500 (this color)
#4A91DE
oklch(64.6% 0.136 252.3)
-
Step 600
600
#2275C6
oklch(55.6% 0.147 252)
-
Step 700
700
#1362AC
oklch(49.2% 0.138 252.2)
-
Step 800
800
#14508B
oklch(42.7% 0.114 252.3)
-
Step 900
900
#19436F
oklch(37.7% 0.089 252.2)
-
Step 950
950
#102741
oklch(26.9% 0.057 253.1)
#4A91DE 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) | #6F96E1 | 0.042 |
| Deuteranopia (no green cones) | #5A87DC | 0.028 |
| Tritanopia (no blue cones) | #00A3AD | 0.107 |
| Achromatopsia (no color) | #8E8E8E | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4A91DE
#4A91DE
oklch(64.6% 0.136 252.3)
- #C07E08
#C07E08
oklch(64.6% 0.136 72.2)
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 #4A91DE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.014
- Chefchaouen Blue #4895EF ΔE 0.026
- Cornflower Blue #6495ED ΔE 0.036
- Soft Blue #6488EA ΔE 0.040
- Water Blue #0E87CC ΔE 0.053
- Dodger Blue #1E90FF ΔE 0.054
- Faded Blue #658CBB ΔE 0.055
- Cool Blue #4984B8 ΔE 0.062
Use #4A91DE 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.