#274F83
Closest named color: Light Navy (#155084). oklch(42.6% 0.098 255.9), rgb(39, 79, 131).
Aa
White text reads best on this color (8.29:1).
About this color
#274F83 is a dark, moderately saturated blue. In OKLCH its lightness is 43%, its chroma 0.098 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.013 away. White text reads best on it, at 8.29:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.098) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.53:1 |
| White text | 8.29:1 |
Values
| HEX | #274F83 |
| RGB | rgb(39, 79, 131) |
| HSL | hsl(214, 54%, 33%) |
| OKLCH | oklch(42.6% 0.098 255.9) |
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 #274F83 | 8.29:1 | AAA | Lc -93.0 | Preferred for body text |
| Black text on #274F83 | 2.53:1 | Fails | Lc 15.6 | Dividers and decoration only |
| #274F83 text on white | 8.29:1 | AAA | Lc 88.4 | Fine for body text |
| #274F83 text on black | 2.53:1 | Fails | Lc -13.8 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E3EBF5
oklch(93.7% 0.016 253.9)
-
Step 200
200
#CCDBEE
oklch(88.6% 0.031 254.3)
-
Step 300
300
#A9C3E6
oklch(81% 0.057 255.9)
-
Step 400
400
#7AA3D9
oklch(70.7% 0.091 255.6)
-
Step 500
500
#588BCF
oklch(63.1% 0.117 256)
-
Step 600
600
#3C74BC
oklch(55.6% 0.127 255.7)
-
Step 700
700
#2E61A2
oklch(49.1% 0.118 255.7)
-
Step 800
800 (this color)
#274F83
oklch(42.6% 0.098 255.9)
-
Step 900
900
#254269
oklch(37.6% 0.076 256.3)
-
Step 950
950
#16273E
oklch(27% 0.049 256.3)
#274F83 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) | #385385 | 0.024 |
| Deuteranopia (no green cones) | #2A4A82 | 0.014 |
| Tritanopia (no blue cones) | #005B62 | 0.078 |
| Achromatopsia (no color) | #4E4E4E | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #274F83
#274F83
oklch(42.6% 0.098 255.9)
- #6A4600
#6A4600
oklch(42.4% 0.089 75.5)
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 #274F83, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.013
- Dusk Blue #26538D ΔE 0.019
- Deep Sea Blue #015482 ΔE 0.024
- Cobalt #1E488F ΔE 0.032
- Light Navy Blue #2E5A88 ΔE 0.035
- Twilight Blue #0A437A ΔE 0.046
- Denim Blue #3B5B92 ΔE 0.048
- Twilight #4E518B ΔE 0.052
Use #274F83 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.