#4E7588
Closest named color: Metallic Blue (#4F738E). oklch(54.1% 0.053 230), rgb(78, 117, 136).
Aa
White text reads best on this color (4.97:1).
About this color
#4E7588 is a medium-dark, muted blue. In OKLCH its lightness is 54%, its chroma 0.053 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.013 away. White text reads best on it, at 4.97:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 4.22:1 |
| White text | 4.97:1 |
Values
| HEX | #4E7588 |
| RGB | rgb(78, 117, 136) |
| HSL | hsl(200, 27%, 42%) |
| OKLCH | oklch(54.1% 0.053 230) |
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 #4E7588 | 4.97:1 | AA | Lc -79.7 | Fine for body text |
| Black text on #4E7588 | 4.22:1 | AA large text | Lc 29.7 | Dividers and decoration only |
| #4E7588 text on white | 4.97:1 | AA | Lc 74.3 | Content text, not long reading |
| #4E7588 text on black | 4.22:1 | AA large text | Lc -27.4 | 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
#E5EBEE
oklch(93.6% 0.008 228.9)
-
Step 200
200
#D1DBE0
oklch(88.5% 0.013 228.9)
-
Step 300
300
#B2C4CD
oklch(80.9% 0.023 229.2)
-
Step 400
400
#89A6B4
oklch(70.8% 0.038 228.7)
-
Step 500
500
#6B8FA2
oklch(63% 0.049 231.5)
-
Step 600
600 (this color)
#4E7588
oklch(54.1% 0.053 230)
-
Step 700
700
#436677
oklch(49% 0.049 230)
-
Step 800
800
#375361
oklch(42.6% 0.041 230.6)
-
Step 900
900
#30454F
oklch(37.7% 0.031 229)
-
Step 950
950
#1C282E
oklch(26.8% 0.02 230)
#4E7588 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) | #6B7389 | 0.038 |
| Deuteranopia (no green cones) | #636D88 | 0.034 |
| Tritanopia (no blue cones) | #377A7B | 0.038 |
| Achromatopsia (no color) | #707070 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E7588
#4E7588
oklch(54.1% 0.053 230)
- #896653
#896653
oklch(54.1% 0.054 49.7)
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 #4E7588, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.013
- Dull Blue #49759C ΔE 0.032
- Stormy Blue #507B9C ΔE 0.032
- Cerulean #457B9D ΔE 0.033
- Grey Blue #647D8E ΔE 0.039
- Battleship Gray #6C757D ΔE 0.041
- Battleship Grey #6B7C85 ΔE 0.045
- Muted Blue #3B719F ΔE 0.045
Use #4E7588 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.