#4E7583
Closest named color: Metallic Blue (#4F738E). oklch(53.9% 0.049 222.5), rgb(78, 117, 131).
Aa
White text reads best on this color (5.00:1).
About this color
#4E7583 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 54%, its chroma 0.049 and its hue 222°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.021 away. White text reads best on it, at 5.00:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (54%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 4.19:1 |
| White text | 5.00:1 |
Values
| HEX | #4E7583 |
| RGB | rgb(78, 117, 131) |
| HSL | hsl(196, 25%, 41%) |
| OKLCH | oklch(53.9% 0.049 222.5) |
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 #4E7583 | 5.00:1 | AA | Lc -80.0 | Fine for body text |
| Black text on #4E7583 | 4.19:1 | AA large text | Lc 29.5 | Dividers and decoration only |
| #4E7583 text on white | 5.00:1 | AA | Lc 74.6 | Content text, not long reading |
| #4E7583 text on black | 4.19:1 | AA large text | Lc -27.2 | Dividers and decoration only |
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
#E5EBED
oklch(93.6% 0.007 219.6)
-
Step 200
200
#D1DBDF
oklch(88.5% 0.012 223.5)
-
Step 300
300
#B2C4CB
oklch(80.9% 0.022 223.1)
-
Step 400
400
#89A6B1
oklch(70.7% 0.036 222.8)
-
Step 500
500
#6C909D
oklch(63.1% 0.044 222.1)
-
Step 600
600 (this color)
#4E7583
oklch(53.9% 0.049 222.5)
-
Step 700
700
#436773
oklch(49.1% 0.045 220.9)
-
Step 800
800
#38545E
oklch(42.8% 0.037 222.3)
-
Step 900
900
#30454D
oklch(37.6% 0.03 223.5)
-
Step 950
950
#1C292D
oklch(27.1% 0.019 218.7)
#4E7583 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) | #6D7384 | 0.041 |
| Deuteranopia (no green cones) | #656D83 | 0.036 |
| Tritanopia (no blue cones) | #397A79 | 0.033 |
| Achromatopsia (no color) | #6F6F6F | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E7583
#4E7583
oklch(53.9% 0.049 222.5)
- #876558
#876558
oklch(53.8% 0.049 41.9)
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 #4E7583, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.021
- Battleship Gray #6C757D ΔE 0.039
- Stormy Blue #507B9C ΔE 0.039
- Cerulean #457B9D ΔE 0.040
- Dull Blue #49759C ΔE 0.040
- Grey Blue #647D8E ΔE 0.040
- Battleship Grey #6B7C85 ΔE 0.045
- Ocean #017B92 ΔE 0.047
Use #4E7583 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.