#27446F
Closest named color: Twilight Blue (#0A437A). oklch(38.6% 0.082 258.1), rgb(39, 68, 111).
Aa
White text reads best on this color (9.80:1).
About this color
#27446F is a dark, moderately saturated blue. In OKLCH its lightness is 39%, its chroma 0.082 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.029 away. White text reads best on it, at 9.80:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.14:1 |
| White text | 9.80:1 |
Values
| HEX | #27446F |
| RGB | rgb(39, 68, 111) |
| HSL | hsl(216, 48%, 29%) |
| OKLCH | oklch(38.6% 0.082 258.1) |
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 #27446F | 9.80:1 | AAA | Lc -96.8 | Preferred for body text |
| Black text on #27446F | 2.14:1 | Fails | Lc 11.4 | Not readable |
| #27446F text on white | 9.80:1 | AAA | Lc 92.6 | Preferred for body text |
| #27446F text on black | 2.14:1 | Fails | Lc -9.9 | 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 900.
-
Step 50
50
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E3EAF6
oklch(93.5% 0.018 261.3)
-
Step 200
200
#CCDAF0
oklch(88.5% 0.034 259.4)
-
Step 300
300
#A9C2E9
oklch(80.9% 0.062 259.2)
-
Step 400
400
#7AA2DD
oklch(70.6% 0.098 258)
-
Step 500
500
#588AD4
oklch(63.1% 0.125 258)
-
Step 600
600
#3D72C1
oklch(55.5% 0.136 258.3)
-
Step 700
700
#2F60A7
oklch(49.2% 0.126 257.9)
-
Step 800
800
#284E87
oklch(42.6% 0.104 258.4)
-
Step 900
900 (this color)
#27446F
oklch(38.6% 0.082 258.1)
-
Step 950
950
#16273F
oklch(27.1% 0.05 257.1)
#27446F 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) | #324771 | 0.017 |
| Deuteranopia (no green cones) | #28416E | 0.009 |
| Tritanopia (no blue cones) | #004E54 | 0.069 |
| Achromatopsia (no color) | #444444 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #27446F
#27446F
oklch(38.6% 0.082 258.1)
- #5B3E00
#5B3E00
oklch(38.7% 0.08 78.8)
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 #27446F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.029
- Dark Grey Blue #29465B ΔE 0.037
- Light Navy #155084 ΔE 0.045
- Charcoal #264653 ΔE 0.051
- Marine Blue #01386A ΔE 0.052
- Deep Sea Blue #015482 ΔE 0.053
- Cobalt #1E488F ΔE 0.053
- Prussian Blue #1D3557 ΔE 0.060
Use #27446F 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.