#4E9FB1
Closest named color: Cadet Blue (#5F9EA0). oklch(65.9% 0.083 214.2), rgb(78, 159, 177).
Aa
Black text reads best on this color (6.91:1).
About this color
#4E9FB1 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 66%, its chroma 0.083 and its hue 214°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.027 away. Black text reads best on it, at 6.91:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 6.91:1 |
| White text | 3.03:1 |
Values
| HEX | #4E9FB1 |
| RGB | rgb(78, 159, 177) |
| HSL | hsl(191, 39%, 50%) |
| OKLCH | oklch(65.9% 0.083 214.2) |
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 #4E9FB1 | 3.03:1 | AA large text | Lc -62.3 | Content text, not long reading |
| Black text on #4E9FB1 | 6.91:1 | AA | Lc 47.1 | Large or bold text, headings |
| #4E9FB1 text on white | 3.03:1 | AA large text | Lc 57.0 | Large or bold text, headings |
| #4E9FB1 text on black | 6.91:1 | AA | Lc -44.8 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECEF
oklch(93.6% 0.011 217.5)
-
Step 200
200
#C9DDE2
oklch(88.4% 0.022 214.4)
-
Step 300
300
#A4C8D1
oklch(81% 0.04 214.6)
-
Step 400
400
#70ABBA
oklch(70.6% 0.065 215.5)
-
Step 500
500 (this color)
#4E9FB1
oklch(65.9% 0.083 214.2)
-
Step 600
600
#1D8094
oklch(55.5% 0.09 215.1)
-
Step 700
700
#0A6C7E
oklch(49% 0.084 215)
-
Step 800
800
#105866
oklch(42.6% 0.07 214.5)
-
Step 900
900
#184953
oklch(37.7% 0.054 213.6)
-
Step 950
950
#102B31
oklch(27.1% 0.034 214.3)
#4E9FB1 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) | #929AB2 | 0.076 |
| Deuteranopia (no green cones) | #838FB1 | 0.069 |
| Tritanopia (no blue cones) | #00A6A4 | 0.046 |
| Achromatopsia (no color) | #949494 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E9FB1
#4E9FB1
oklch(65.9% 0.083 214.2)
- #BF7F70
#BF7F70
oklch(65.8% 0.083 33.8)
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 #4E9FB1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.027
- Greyblue #77A1B5 ΔE 0.043
- Sea #3C9992 ΔE 0.051
- Dull Teal #5F9E8F ΔE 0.051
- Turquoise Blue #06B1C4 ΔE 0.053
- Grey Teal #5E9B8A ΔE 0.056
- Blue Grey #758DA3 ΔE 0.058
- Persian Green #2A9D8F ΔE 0.060
Use #4E9FB1 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.