#4D9CBC
Closest named color: Cadet Blue (#5F9EA0). oklch(65.6% 0.091 227.1), rgb(77, 156, 188).
Aa
Black text reads best on this color (6.79:1).
About this color
#4D9CBC is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 66%, its chroma 0.091 and its hue 227°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.046 away. Black text reads best on it, at 6.79:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 6.79:1 |
| White text | 3.08:1 |
Values
| HEX | #4D9CBC |
| RGB | rgb(77, 156, 188) |
| HSL | hsl(197, 45%, 52%) |
| OKLCH | oklch(65.6% 0.091 227.1) |
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 #4D9CBC | 3.08:1 | AA large text | Lc -63.0 | Content text, not long reading |
| Black text on #4D9CBC | 6.79:1 | AA | Lc 46.4 | Large or bold text, headings |
| #4D9CBC text on white | 3.08:1 | AA large text | Lc 57.6 | Large or bold text, headings |
| #4D9CBC text on black | 6.79:1 | AA | Lc -44.1 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF1
oklch(93.6% 0.014 226.6)
-
Step 200
200
#C9DDE6
oklch(88.5% 0.025 226.5)
-
Step 300
300
#A3C7D7
oklch(80.9% 0.045 226.7)
-
Step 400
400
#70AAC3
oklch(70.7% 0.071 227)
-
Step 500
500 (this color)
#4D9CBC
oklch(65.6% 0.091 227.1)
-
Step 600
600
#1E7EA0
oklch(55.6% 0.099 227.4)
-
Step 700
700
#0C6A89
oklch(49% 0.092 227.6)
-
Step 800
800
#11576F
oklch(42.7% 0.076 226.7)
-
Step 900
900
#18485A
oklch(37.8% 0.059 226.5)
-
Step 950
950
#102A35
oklch(27% 0.038 228.2)
#4D9CBC 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) | #8B99BE | 0.068 |
| Deuteranopia (no green cones) | #7B8DBC | 0.060 |
| Tritanopia (no blue cones) | #00A5A6 | 0.059 |
| Achromatopsia (no color) | #939393 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D9CBC
#4D9CBC
oklch(65.6% 0.091 227.1)
- #BF7F60
#BF7F60
oklch(65.5% 0.091 46.5)
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 #4D9CBC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.046
- Greyblue #77A1B5 ΔE 0.047
- Faded Blue #658CBB ΔE 0.048
- Silver Lake Blue #778DA9 ΔE 0.056
- Blue Grey #758DA3 ΔE 0.057
- Turquoise Blue #06B1C4 ΔE 0.060
- Dusty Blue #5A86AD ΔE 0.060
- Off Blue #5684AE ΔE 0.066
Use #4D9CBC 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.