#4B7897
Closest named color: Cerulean (#457B9D). oklch(55.3% 0.069 239.8), rgb(75, 120, 151).
Aa
White text reads best on this color (4.73:1).
About this color
#4B7897 is a medium-dark, muted blue. In OKLCH its lightness is 55%, its chroma 0.069 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Cerulean (#457B9D), ΔE 0.011 away. White text reads best on it, at 4.73:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Cerulean (#457B9D) |
| Black text | 4.43:1 |
| White text | 4.73:1 |
Values
| HEX | #4B7897 |
| RGB | rgb(75, 120, 151) |
| HSL | hsl(204, 34%, 44%) |
| OKLCH | oklch(55.3% 0.069 239.8) |
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 #4B7897 | 4.73:1 | AA | Lc -78.2 | Fine for body text |
| Black text on #4B7897 | 4.43:1 | AA large text | Lc 31.3 | Non-text elements, placeholder text |
| #4B7897 text on white | 4.73:1 | AA | Lc 72.8 | Content text, not long reading |
| #4B7897 text on black | 4.43:1 | AA large text | Lc -28.9 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EBEF
oklch(93.7% 0.008 236.6)
-
Step 200
200
#CFDBE4
oklch(88.5% 0.018 240)
-
Step 300
300
#AFC4D3
oklch(80.9% 0.031 238.9)
-
Step 400
400
#85A5BD
oklch(70.6% 0.05 240.8)
-
Step 500
500
#658FAC
oklch(63% 0.064 239.2)
-
Step 600
600 (this color)
#4B7897
oklch(55.3% 0.069 239.8)
-
Step 700
700
#3D6682
oklch(49.2% 0.064 239.7)
-
Step 800
800
#335369
oklch(42.7% 0.053 239.7)
-
Step 900
900
#2D4556
oklch(37.8% 0.042 240.1)
-
Step 950
950
#1A2832
oklch(26.9% 0.027 240.1)
#4B7897 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) | #6A7898 | 0.038 |
| Deuteranopia (no green cones) | #607096 | 0.032 |
| Tritanopia (no blue cones) | #258082 | 0.057 |
| Achromatopsia (no color) | #737373 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B7897
#4B7897
oklch(55.3% 0.069 239.8)
- #916948
#916948
oklch(55.4% 0.07 60.2)
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 #4B7897, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cerulean #457B9D ΔE 0.011
- Stormy Blue #507B9C ΔE 0.013
- Dull Blue #49759C ΔE 0.014
- Metallic Blue #4F738E ΔE 0.017
- Muted Blue #3B719F ΔE 0.033
- Flat Blue #3C73A8 ΔE 0.037
- Grey Blue #647D8E ΔE 0.038
- Ocean #017B92 ΔE 0.044
Use #4B7897 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.