#27527A
Closest named color: Deep Sea Blue (#015482). oklch(42.8% 0.082 248.8), rgb(39, 82, 122).
Aa
White text reads best on this color (8.15:1).
About this color
#27527A is a dark, moderately saturated blue. In OKLCH its lightness is 43%, its chroma 0.082 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sea Blue (#015482), ΔE 0.022 away. White text reads best on it, at 8.15:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Deep Sea Blue (#015482) |
| Black text | 2.57:1 |
| White text | 8.15:1 |
Values
| HEX | #27527A |
| RGB | rgb(39, 82, 122) |
| HSL | hsl(209, 52%, 32%) |
| OKLCH | oklch(42.8% 0.082 248.8) |
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 #27527A | 8.15:1 | AAA | Lc -92.7 | Preferred for body text |
| Black text on #27527A | 2.57:1 | Fails | Lc 16.0 | Dividers and decoration only |
| #27527A text on white | 8.15:1 | AAA | Lc 88.0 | Fine for body text |
| #27527A text on black | 2.57:1 | Fails | Lc -14.1 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF3
oklch(93.6% 0.014 248)
-
Step 200
200
#CCDBEA
oklch(88.5% 0.026 248.1)
-
Step 300
300
#A9C4DF
oklch(80.9% 0.048 248.4)
-
Step 400
400
#7BA5CF
oklch(70.7% 0.077 249)
-
Step 500
500
#588EC2
oklch(63.1% 0.098 248.7)
-
Step 600
600
#3C77AF
oklch(55.5% 0.107 249.2)
-
Step 700
700
#2E6496
oklch(49.1% 0.099 249)
-
Step 800
800 (this color)
#27527A
oklch(42.8% 0.082 248.8)
-
Step 900
900
#244462
oklch(37.7% 0.064 248.4)
-
Step 950
950
#162839
oklch(27% 0.04 248.2)
#27527A 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) | #40547C | 0.030 |
| Deuteranopia (no green cones) | #354C79 | 0.021 |
| Tritanopia (no blue cones) | #005B60 | 0.063 |
| Achromatopsia (no color) | #4F4F4F | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #27527A
#27527A
oklch(42.8% 0.082 248.8)
- #6C4614
#6C4614
oklch(42.8% 0.082 69.1)
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 #27527A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sea Blue #015482 ΔE 0.022
- Light Navy #155084 ΔE 0.023
- Dusk Blue #26538D ΔE 0.031
- Light Navy Blue #2E5A88 ΔE 0.032
- YInMn Blue #415A77 ΔE 0.042
- Cobalt #1E488F ΔE 0.051
- Dusk #4E5481 ΔE 0.051
- Denim Blue #3B5B92 ΔE 0.052
Use #27527A 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.