#274367
Closest named color: Dark Grey Blue (#29465B). oklch(37.9% 0.071 255.3), rgb(39, 67, 103).
Aa
White text reads best on this color (10.07:1).
About this color
#274367 is a dark, moderately saturated blue. In OKLCH its lightness is 38%, its chroma 0.071 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.025 away. White text reads best on it, at 10.07:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.08:1 |
| White text | 10.07:1 |
Values
| HEX | #274367 |
| RGB | rgb(39, 67, 103) |
| HSL | hsl(214, 45%, 28%) |
| OKLCH | oklch(37.9% 0.071 255.3) |
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 #274367 | 10.07:1 | AAA | Lc -97.4 | Preferred for body text |
| Black text on #274367 | 2.08:1 | Fails | Lc 10.7 | Not readable |
| #274367 text on white | 10.07:1 | AAA | Lc 93.2 | Preferred for body text |
| #274367 text on black | 2.08:1 | Fails | Lc -9.3 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF4
oklch(93.7% 0.015 251.2)
-
Step 200
200
#CDDAED
oklch(88.4% 0.03 257.8)
-
Step 300
300
#AAC3E3
oklch(80.9% 0.053 254.7)
-
Step 400
400
#7DA3D5
oklch(70.7% 0.085 255.5)
-
Step 500
500
#5B8CCA
oklch(63.2% 0.108 254.9)
-
Step 600
600
#4075B7
oklch(55.7% 0.118 254.9)
-
Step 700
700
#32629E
oklch(49.2% 0.11 255.1)
-
Step 800
800
#2A5080
oklch(42.8% 0.091 255.2)
-
Step 900
900 (this color)
#274367
oklch(37.9% 0.071 255.3)
-
Step 950
950
#17273C
oklch(27% 0.045 255.6)
#274367 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) | #344569 | 0.019 |
| Deuteranopia (no green cones) | #2C3F66 | 0.013 |
| Tritanopia (no blue cones) | #004B50 | 0.060 |
| Achromatopsia (no color) | #424242 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #274367
#274367
oklch(37.9% 0.071 255.3)
- #583C0E
#583C0E
oklch(37.9% 0.071 75.1)
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 #274367, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.025
- Twilight Blue #0A437A ΔE 0.038
- Charcoal #264653 ΔE 0.039
- Dark Blue Grey #1F3B4D ΔE 0.050
- Marine Blue #01386A ΔE 0.050
- Prussian Blue #1D3557 ΔE 0.051
- Light Navy #155084 ΔE 0.056
- Midnight Green #073B4C ΔE 0.061
Use #274367 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.