#4B7299
Closest named color: Dull Blue (#49759C). oklch(54% 0.076 249.4), rgb(75, 114, 153).
Aa
White text reads best on this color (5.04:1).
About this color
#4B7299 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 54%, its chroma 0.076 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Blue (#49759C), ΔE 0.009 away. White text reads best on it, at 5.04:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Dull Blue (#49759C) |
| Black text | 4.16:1 |
| White text | 5.04:1 |
Values
| HEX | #4B7299 |
| RGB | rgb(75, 114, 153) |
| HSL | hsl(210, 34%, 45%) |
| OKLCH | oklch(54% 0.076 249.4) |
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 #4B7299 | 5.04:1 | AA | Lc -80.1 | Fine for body text |
| Black text on #4B7299 | 4.16:1 | AA large text | Lc 29.3 | Dividers and decoration only |
| #4B7299 text on white | 5.04:1 | AA | Lc 74.7 | Content text, not long reading |
| #4B7299 text on black | 4.16:1 | AA large text | Lc -27.0 | 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
#E5EAF0
oklch(93.5% 0.01 252.8)
-
Step 200
200
#D0DAE5
oklch(88.4% 0.019 250.6)
-
Step 300
300
#B0C3D6
oklch(80.9% 0.034 248.2)
-
Step 400
400
#87A4C2
oklch(70.7% 0.055 249.5)
-
Step 500
500
#698DB2
oklch(63.1% 0.069 249.7)
-
Step 600
600 (this color)
#4B7299
oklch(54% 0.076 249.4)
-
Step 700
700
#406487
oklch(49.1% 0.07 248.8)
-
Step 800
800
#35516E
oklch(42.6% 0.059 250.2)
-
Step 900
900
#2E4459
oklch(37.8% 0.046 248)
-
Step 950
950
#1B2834
oklch(27.1% 0.029 246.9)
#4B7299 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) | #62739B | 0.029 |
| Deuteranopia (no green cones) | #586B98 | 0.024 |
| Tritanopia (no blue cones) | #257B7F | 0.066 |
| Achromatopsia (no color) | #6F6F6F | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B7299
#4B7299
oklch(54% 0.076 249.4)
- #8B663B
#8B663B
oklch(53.9% 0.076 69.2)
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 #4B7299, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Blue #49759C ΔE 0.009
- Metallic Blue #4F738E ΔE 0.019
- Muted Blue #3B719F ΔE 0.019
- Cerulean #457B9D ΔE 0.025
- Flat Blue #3C73A8 ΔE 0.026
- Stormy Blue #507B9C ΔE 0.027
- French Blue #436BAD ΔE 0.043
- Sea Blue #047495 ΔE 0.046
Use #4B7299 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.