#4E8198
Closest named color: Stormy Blue (#507B9C). oklch(57.6% 0.065 228.6), rgb(78, 129, 152).
Aa
Black text reads best on this color (4.91:1).
About this color
#4E8198 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 58%, its chroma 0.065 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Stormy Blue (#507B9C), ΔE 0.021 away. Black text reads best on it, at 4.91:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (58%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Stormy Blue (#507B9C) |
| Black text | 4.91:1 |
| White text | 4.27:1 |
Values
| HEX | #4E8198 |
| RGB | rgb(78, 129, 152) |
| HSL | hsl(199, 32%, 45%) |
| OKLCH | oklch(57.6% 0.065 228.6) |
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 #4E8198 | 4.27:1 | AA large text | Lc -74.9 | Content text, not long reading |
| Black text on #4E8198 | 4.91:1 | AA | Lc 34.7 | Non-text elements, placeholder text |
| #4E8198 text on white | 4.27:1 | AA large text | Lc 69.4 | Content text, not long reading |
| #4E8198 text on black | 4.91:1 | AA | Lc -32.2 | 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
#CFDBE2
oklch(88.4% 0.016 233)
-
Step 300
300
#AEC5D0
oklch(81% 0.029 228.2)
-
Step 400
400
#83A7B8
oklch(70.8% 0.047 228.4)
-
Step 500
500
#6291A6
oklch(63.1% 0.06 227.7)
-
Step 600
600 (this color)
#4E8198
oklch(57.6% 0.065 228.6)
-
Step 700
700
#39677C
oklch(49% 0.061 229.3)
-
Step 800
800
#305465
oklch(42.6% 0.05 229.9)
-
Step 900
900
#2B4652
oklch(37.8% 0.039 227.9)
-
Step 950
950
#192930
oklch(27% 0.025 227.2)
#4E8198 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) | #757F99 | 0.048 |
| Deuteranopia (no green cones) | #6A7798 | 0.042 |
| Tritanopia (no blue cones) | #2A8888 | 0.047 |
| Achromatopsia (no color) | #7A7A7A | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E8198
#4E8198
oklch(57.6% 0.065 228.6)
- #996E57
#996E57
oklch(57.6% 0.065 49.2)
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 #4E8198, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Stormy Blue #507B9C ΔE 0.021
- Cerulean #457B9D ΔE 0.024
- Grey Blue #647D8E ΔE 0.027
- Off Blue #5684AE ΔE 0.036
- Dusty Blue #5A86AD ΔE 0.037
- Dull Blue #49759C ΔE 0.039
- Metallic Blue #4F738E ΔE 0.040
- Battleship Grey #6B7C85 ΔE 0.041
Use #4E8198 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.