#274471
Closest named color: Twilight Blue (#0A437A). oklch(38.7% 0.085 258.9), rgb(39, 68, 113).
Aa
White text reads best on this color (9.76:1).
About this color
#274471 is a dark, moderately saturated blue. In OKLCH its lightness is 39%, its chroma 0.085 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.027 away. White text reads best on it, at 9.76:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.15:1 |
| White text | 9.76:1 |
Values
| HEX | #274471 |
| RGB | rgb(39, 68, 113) |
| HSL | hsl(216, 49%, 30%) |
| OKLCH | oklch(38.7% 0.085 258.9) |
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 #274471 | 9.76:1 | AAA | Lc -96.7 | Preferred for body text |
| Black text on #274471 | 2.15:1 | Fails | Lc 11.5 | Not readable |
| #274471 text on white | 9.76:1 | AAA | Lc 92.4 | Preferred for body text |
| #274471 text on black | 2.15:1 | Fails | Lc -10.0 | 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
#CBDAF1
oklch(88.4% 0.036 258.9)
-
Step 300
300
#A8C2EA
oklch(80.8% 0.064 258.9)
-
Step 400
400
#7AA2E0
oklch(70.8% 0.101 258.9)
-
Step 500
500
#5789D7
oklch(63% 0.13 259)
-
Step 600
600
#3C72C4
oklch(55.6% 0.14 258.6)
-
Step 700
700
#2E5FAA
oklch(49.2% 0.131 258.8)
-
Step 800
800
#274E89
oklch(42.7% 0.108 258.5)
-
Step 900
900 (this color)
#274471
oklch(38.7% 0.085 258.9)
-
Step 950
950
#162640
oklch(26.9% 0.053 259.7)
#274471 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) | #304873 | 0.017 |
| Deuteranopia (no green cones) | #264170 | 0.009 |
| Tritanopia (no blue cones) | #004E55 | 0.070 |
| Achromatopsia (no color) | #444444 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #274471
#274471
oklch(38.7% 0.085 258.9)
- #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 #274471, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.027
- Dark Grey Blue #29465B ΔE 0.040
- Light Navy #155084 ΔE 0.043
- Cobalt #1E488F ΔE 0.050
- Deep Sea Blue #015482 ΔE 0.051
- Marine Blue #01386A ΔE 0.052
- Charcoal #264653 ΔE 0.055
- Dusk Blue #26538D ΔE 0.059
Use #274471 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.