#30537A
Closest named color: Light Navy Blue (#2E5A88). oklch(43.4% 0.077 252.3), rgb(48, 83, 122).
Aa
White text reads best on this color (7.94:1).
About this color
#30537A is a dark, moderately saturated blue. In OKLCH its lightness is 43%, its chroma 0.077 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.028 away. White text reads best on it, at 7.94:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 2.64:1 |
| White text | 7.94:1 |
Values
| HEX | #30537A |
| RGB | rgb(48, 83, 122) |
| HSL | hsl(212, 44%, 33%) |
| OKLCH | oklch(43.4% 0.077 252.3) |
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 #30537A | 7.94:1 | AAA | Lc -92.1 | Preferred for body text |
| Black text on #30537A | 2.64:1 | Fails | Lc 16.6 | Dividers and decoration only |
| #30537A text on white | 7.94:1 | AAA | Lc 87.4 | Fine for body text |
| #30537A text on black | 2.64:1 | Fails | Lc -14.7 | Not readable |
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 800.
-
Step 50
50
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E4EBF3
oklch(93.7% 0.013 251.6)
-
Step 200
200
#CEDBEA
oklch(88.6% 0.025 251.9)
-
Step 300
300
#ACC3DD
oklch(80.8% 0.045 251.6)
-
Step 400
400
#80A4CD
oklch(70.7% 0.072 252.1)
-
Step 500
500
#608DC0
oklch(63.2% 0.092 252.3)
-
Step 600
600
#4676AC
oklch(55.6% 0.1 252.6)
-
Step 700
700
#376394
oklch(49.1% 0.093 252.5)
-
Step 800
800 (this color)
#30537A
oklch(43.4% 0.077 252.3)
-
Step 900
900
#294361
oklch(37.6% 0.061 252.9)
-
Step 950
950
#192839
oklch(27.2% 0.038 252.3)
#30537A 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) | #43557C | 0.025 |
| Deuteranopia (no green cones) | #394E79 | 0.017 |
| Tritanopia (no blue cones) | #005C61 | 0.065 |
| Achromatopsia (no color) | #515151 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #30537A
#30537A
oklch(43.4% 0.077 252.3)
- #6B491A
#6B491A
oklch(43.4% 0.077 71.7)
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 #30537A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.028
- Deep Sea Blue #015482 ΔE 0.030
- Light Navy #155084 ΔE 0.030
- Dusk Blue #26538D ΔE 0.032
- YInMn Blue #415A77 ΔE 0.033
- Dusk #4E5481 ΔE 0.042
- Denim Blue #3B5B92 ΔE 0.046
- Twilight #4E518B ΔE 0.050
Use #30537A 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.