#4EA5CB
Closest named color: Turquoise Blue (#06B1C4). oklch(68.4% 0.1 229.4), rgb(78, 165, 203).
Aa
Black text reads best on this color (7.56:1).
About this color
#4EA5CB is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 68%, its chroma 0.100 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.046 away. Black text reads best on it, at 7.56:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 7.56:1 |
| White text | 2.77:1 |
Values
| HEX | #4EA5CB |
| RGB | rgb(78, 165, 203) |
| HSL | hsl(198, 55%, 55%) |
| OKLCH | oklch(68.4% 0.1 229.4) |
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 #4EA5CB | 2.77:1 | Fails | Lc -58.5 | Large or bold text, headings |
| Black text on #4EA5CB | 7.56:1 | AAA | Lc 50.7 | Large or bold text, headings |
| #4EA5CB text on white | 2.77:1 | Fails | Lc 53.3 | Large or bold text, headings |
| #4EA5CB text on black | 7.56:1 | AAA | Lc -48.6 | 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
#F0F7FA
oklch(97.2% 0.008 225.1)
-
Step 100
100
#DEECF4
oklch(93.5% 0.018 232.5)
-
Step 200
200
#C3DEEC
oklch(88.5% 0.035 230.3)
-
Step 300
300
#97C9E1
oklch(80.9% 0.062 229.1)
-
Step 400
400 (this color)
#4EA5CB
oklch(68.4% 0.1 229.4)
-
Step 500
500
#0096C5
oklch(63% 0.125 229.4)
-
Step 600
600
#007EA7
oklch(55.5% 0.111 230)
-
Step 700
700
#006A8D
oklch(49.1% 0.098 229.8)
-
Step 800
800
#005774
oklch(42.7% 0.085 229.4)
-
Step 900
900
#004861
oklch(37.6% 0.075 229.8)
-
Step 950
950
#012B3B
oklch(27.1% 0.053 229.3)
#4EA5CB 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) | #92A3CD | 0.072 |
| Deuteranopia (no green cones) | #8095CA | 0.063 |
| Tritanopia (no blue cones) | #00B0B1 | 0.065 |
| Achromatopsia (no color) | #9B9B9B | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4EA5CB
#4EA5CB
oklch(68.4% 0.1 229.4)
- #CC8660
#CC8660
oklch(68.3% 0.101 49)
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 #4EA5CB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.046
- Greyblue #77A1B5 ΔE 0.046
- Cadet Blue #5F9EA0 ΔE 0.062
- Bluegrey #85A3B2 ΔE 0.062
- Bluey Grey #89A0B0 ΔE 0.067
- Faded Blue #658CBB ΔE 0.068
- Cool Gray #8D99AE ΔE 0.074
- Light Sea Green #20B2AA ΔE 0.076
Use #4EA5CB 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.