#4CA9E2
Closest named color: Cornflower Blue (#6495ED). oklch(70.3% 0.121 238.8), rgb(76, 169, 226).
Aa
Black text reads best on this color (8.08:1).
About this color
#4CA9E2 is a medium-light, moderately saturated blue. In OKLCH its lightness is 70%, its chroma 0.121 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.062 away. Black text reads best on it, at 8.08:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.121) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 8.08:1 |
| White text | 2.59:1 |
Values
| HEX | #4CA9E2 |
| RGB | rgb(76, 169, 226) |
| HSL | hsl(203, 72%, 59%) |
| OKLCH | oklch(70.3% 0.121 238.8) |
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 #4CA9E2 | 2.59:1 | Fails | Lc -55.6 | Large or bold text, headings |
| Black text on #4CA9E2 | 8.08:1 | AAA | Lc 53.5 | Large or bold text, headings |
| #4CA9E2 text on white | 2.59:1 | Fails | Lc 50.5 | Large or bold text, headings |
| #4CA9E2 text on black | 8.08:1 | AAA | Lc -51.4 | 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
#F0F7FC
oklch(97.2% 0.01 238.5)
-
Step 100
100
#DDECF7
oklch(93.5% 0.022 239.4)
-
Step 200
200
#C1DEF2
oklch(88.6% 0.041 238.1)
-
Step 300
300
#93C8ED
oklch(80.9% 0.076 239.3)
-
Step 400
400 (this color)
#4CA9E2
oklch(70.3% 0.121 238.8)
-
Step 500
500
#0093D5
oklch(63.1% 0.142 238.9)
-
Step 600
600
#007CB4
oklch(55.7% 0.125 238.6)
-
Step 700
700
#006898
oklch(49.2% 0.11 238.7)
-
Step 800
800
#00557D
oklch(42.7% 0.096 238.5)
-
Step 900
900
#004769
oklch(37.8% 0.084 238.3)
-
Step 950
950
#002A40
oklch(27% 0.06 237.8)
#4CA9E2 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) | #8FA9E5 | 0.068 |
| Deuteranopia (no green cones) | #7A9AE1 | 0.055 |
| Tritanopia (no blue cones) | #00B7BC | 0.084 |
| Achromatopsia (no color) | #A1A1A1 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4CA9E2
#4CA9E2
oklch(70.3% 0.121 238.8)
- #D78B4C
#D78B4C
oklch(70.3% 0.122 58.5)
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 #4CA9E2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.062
- Chefchaouen Blue #4895EF ΔE 0.063
- Turquoise Blue #06B1C4 ΔE 0.063
- Deep Sky Blue #00BFFF ΔE 0.064
- Greyblue #77A1B5 ΔE 0.070
- Dark Sky Blue #448EE4 ΔE 0.077
- Bluegrey #85A3B2 ΔE 0.082
- Carolina Blue #8AB8FE ΔE 0.085
Use #4CA9E2 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.