#4B7490
Closest named color: Metallic Blue (#4F738E). oklch(54% 0.064 239.4), rgb(75, 116, 144).
Aa
White text reads best on this color (4.99:1).
About this color
#4B7490 is a medium-dark, muted blue. In OKLCH its lightness is 54%, its chroma 0.064 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.005 away. White text reads best on it, at 4.99:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 4.20:1 |
| White text | 4.99:1 |
Values
| HEX | #4B7490 |
| RGB | rgb(75, 116, 144) |
| HSL | hsl(204, 32%, 43%) |
| OKLCH | oklch(54% 0.064 239.4) |
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 #4B7490 | 4.99:1 | AA | Lc -79.9 | Fine for body text |
| Black text on #4B7490 | 4.20:1 | AA large text | Lc 29.6 | Dividers and decoration only |
| #4B7490 text on white | 4.99:1 | AA | Lc 74.5 | Content text, not long reading |
| #4B7490 text on black | 4.20:1 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EBEF
oklch(93.7% 0.008 236.6)
-
Step 200
200
#D0DBE3
oklch(88.5% 0.016 239.1)
-
Step 300
300
#B1C4D1
oklch(81% 0.028 237.7)
-
Step 400
400
#87A5BB
oklch(70.7% 0.046 240.1)
-
Step 500
500
#698FA9
oklch(63.2% 0.058 238.7)
-
Step 600
600 (this color)
#4B7490
oklch(54% 0.064 239.4)
-
Step 700
700
#40657F
oklch(49% 0.06 240.2)
-
Step 800
800
#355367
oklch(42.7% 0.049 238.6)
-
Step 900
900
#2E4554
oklch(37.8% 0.038 237.7)
-
Step 950
950
#1B2831
oklch(26.9% 0.025 239.1)
#4B7490 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) | #687491 | 0.037 |
| Deuteranopia (no green cones) | #5E6C90 | 0.031 |
| Tritanopia (no blue cones) | #2C7B7D | 0.051 |
| Achromatopsia (no color) | #6F6F6F | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B7490
#4B7490
oklch(54% 0.064 239.4)
- #8B6649
#8B6649
oklch(54.1% 0.064 59)
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 #4B7490, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.005
- Dull Blue #49759C ΔE 0.019
- Cerulean #457B9D ΔE 0.025
- Stormy Blue #507B9C ΔE 0.026
- Muted Blue #3B719F ΔE 0.032
- Flat Blue #3C73A8 ΔE 0.041
- Grey Blue #647D8E ΔE 0.044
- Sea Blue #047495 ΔE 0.044
Use #4B7490 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.