#274375
Closest named color: Twilight Blue (#0A437A). oklch(38.8% 0.092 261.1), rgb(39, 67, 117).
Aa
White text reads best on this color (9.78:1).
About this color
#274375 is a dark, moderately saturated blue. In OKLCH its lightness is 39%, its chroma 0.092 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.023 away. White text reads best on it, at 9.78:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.14:1 |
| White text | 9.78:1 |
Values
| HEX | #274375 |
| RGB | rgb(39, 67, 117) |
| HSL | hsl(218, 50%, 31%) |
| OKLCH | oklch(38.8% 0.092 261.1) |
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 #274375 | 9.78:1 | AAA | Lc -96.7 | Preferred for body text |
| Black text on #274375 | 2.14:1 | Fails | Lc 11.5 | Not readable |
| #274375 text on white | 9.78:1 | AAA | Lc 92.5 | Preferred for body text |
| #274375 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
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EAF8
oklch(93.5% 0.021 261.8)
-
Step 200
200
#CBDAF3
oklch(88.5% 0.038 260.7)
-
Step 300
300
#A8C2EE
oklch(81% 0.069 260.9)
-
Step 400
400
#79A1E5
oklch(70.7% 0.11 260.7)
-
Step 500
500
#5788DE
oklch(63.2% 0.141 260.9)
-
Step 600
600
#3C6FCC
oklch(55.5% 0.154 261.3)
-
Step 700
700
#2F5DB0
oklch(49.2% 0.142 261.1)
-
Step 800
800
#274C8F
oklch(42.7% 0.119 261.2)
-
Step 900
900 (this color)
#274375
oklch(38.8% 0.092 261.1)
-
Step 950
950
#162643
oklch(27.1% 0.058 261.5)
#274375 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) | #2D4877 | 0.018 |
| Deuteranopia (no green cones) | #214074 | 0.012 |
| Tritanopia (no blue cones) | #004E56 | 0.076 |
| Achromatopsia (no color) | #444444 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #274375
#274375
oklch(38.8% 0.092 261.1)
- #5A3F00
#5A3F00
oklch(38.8% 0.08 81.1)
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 #274375, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.023
- Light Navy #155084 ΔE 0.042
- Cobalt #1E488F ΔE 0.044
- Dark Grey Blue #29465B ΔE 0.048
- Marine Blue #01386A ΔE 0.051
- Deep Sea Blue #015482 ΔE 0.052
- Dusk Blue #26538D ΔE 0.057
- Charcoal #264653 ΔE 0.063
Use #274375 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.