#4D8299
Closest named color: Stormy Blue (#507B9C). oklch(57.9% 0.067 227.7), rgb(77, 130, 153).
Aa
Black text reads best on this color (4.96:1).
About this color
#4D8299 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 58%, its chroma 0.067 and its hue 228°. Its hue sits on the cool side of the wheel. The nearest named color is Stormy Blue (#507B9C), ΔE 0.023 away. Black text reads best on it, at 4.96:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (58%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Stormy Blue (#507B9C) |
| Black text | 4.96:1 |
| White text | 4.22:1 |
Values
| HEX | #4D8299 |
| RGB | rgb(77, 130, 153) |
| HSL | hsl(198, 33%, 45%) |
| OKLCH | oklch(57.9% 0.067 227.7) |
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 #4D8299 | 4.22:1 | AA large text | Lc -74.6 | Content text, not long reading |
| Black text on #4D8299 | 4.96:1 | AA | Lc 35.0 | Non-text elements, placeholder text |
| #4D8299 text on white | 4.22:1 | AA large text | Lc 69.1 | Content text, not long reading |
| #4D8299 text on black | 4.96:1 | AA | Lc -32.6 | 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 600.
-
Step 50
50
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E4EBEE
oklch(93.6% 0.009 225.1)
-
Step 200
200
#CEDCE2
oklch(88.6% 0.017 225.2)
-
Step 300
300
#ADC5D0
oklch(80.9% 0.03 227.1)
-
Step 400
400
#82A7B8
oklch(70.7% 0.047 227.7)
-
Step 500
500
#6191A7
oklch(63.1% 0.061 228.5)
-
Step 600
600 (this color)
#4D8299
oklch(57.9% 0.067 227.7)
-
Step 700
700
#37687C
oklch(49.1% 0.062 226.7)
-
Step 800
800
#2E5565
oklch(42.8% 0.052 226.6)
-
Step 900
900
#2A4652
oklch(37.7% 0.04 227)
-
Step 950
950
#192930
oklch(27% 0.025 227.2)
#4D8299 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) | #76809A | 0.050 |
| Deuteranopia (no green cones) | #6B7799 | 0.045 |
| Tritanopia (no blue cones) | #268989 | 0.048 |
| Achromatopsia (no color) | #7B7B7B | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D8299
#4D8299
oklch(57.9% 0.067 227.7)
- #9B6E57
#9B6E57
oklch(57.9% 0.067 48)
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 #4D8299, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Stormy Blue #507B9C ΔE 0.023
- Cerulean #457B9D ΔE 0.026
- Grey Blue #647D8E ΔE 0.029
- Off Blue #5684AE ΔE 0.035
- Dusty Blue #5A86AD ΔE 0.036
- Teal Blue #01889F ΔE 0.040
- Dull Blue #49759C ΔE 0.041
- Slate Gray #708090 ΔE 0.042
Use #4D8299 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.