#30527F
Closest named color: Dusk Blue (#26538D). oklch(43.5% 0.085 256), rgb(48, 82, 127).
Aa
White text reads best on this color (7.95:1).
About this color
#30527F is a dark, moderately saturated blue. In OKLCH its lightness is 43%, its chroma 0.085 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.024 away. White text reads best on it, at 7.95:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.63:1 |
| White text | 7.95:1 |
Values
| HEX | #30527F |
| RGB | rgb(48, 82, 127) |
| HSL | hsl(214, 45%, 34%) |
| OKLCH | oklch(43.5% 0.085 256) |
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 #30527F | 7.95:1 | AAA | Lc -92.1 | Preferred for body text |
| Black text on #30527F | 2.63:1 | Fails | Lc 16.6 | Dividers and decoration only |
| #30527F text on white | 7.95:1 | AAA | Lc 87.4 | Fine for body text |
| #30527F text on black | 2.63:1 | 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EAF4
oklch(93.5% 0.015 260.7)
-
Step 200
200
#CEDAEC
oklch(88.5% 0.028 258.4)
-
Step 300
300
#ACC3E1
oklch(81% 0.049 255.1)
-
Step 400
400
#80A3D2
oklch(70.7% 0.079 255.9)
-
Step 500
500
#5F8BC6
oklch(63% 0.102 256)
-
Step 600
600
#4574B3
oklch(55.5% 0.111 256.2)
-
Step 700
700
#37629A
oklch(49.2% 0.102 255.7)
-
Step 800
800 (this color)
#30527F
oklch(43.5% 0.085 256)
-
Step 900
900
#294264
oklch(37.6% 0.066 256.4)
-
Step 950
950
#18273B
oklch(27% 0.043 255.9)
#30527F 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) | #3F5581 | 0.021 |
| Deuteranopia (no green cones) | #354D7E | 0.015 |
| Tritanopia (no blue cones) | #005C62 | 0.072 |
| Achromatopsia (no color) | #515151 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #30527F
#30527F
oklch(43.5% 0.085 256)
- #6C4A0D
#6C4A0D
oklch(43.6% 0.085 76.1)
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 #30527F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.024
- Light Navy Blue #2E5A88 ΔE 0.025
- Light Navy #155084 ΔE 0.025
- Deep Sea Blue #015482 ΔE 0.029
- YInMn Blue #415A77 ΔE 0.038
- Dusk #4E5481 ΔE 0.041
- Denim Blue #3B5B92 ΔE 0.041
- Twilight #4E518B ΔE 0.045
Use #30527F 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.