#274368
Closest named color: Dark Grey Blue (#29465B). oklch(37.9% 0.072 255.9), rgb(39, 67, 104).
Aa
White text reads best on this color (10.05:1).
About this color
#274368 is a dark, moderately saturated blue. In OKLCH its lightness is 38%, its chroma 0.072 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.027 away. White text reads best on it, at 10.05:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.08:1 |
| White text | 10.05:1 |
Values
| HEX | #274368 |
| RGB | rgb(39, 67, 104) |
| HSL | hsl(214, 45%, 28%) |
| OKLCH | oklch(37.9% 0.072 255.9) |
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 #274368 | 10.05:1 | AAA | Lc -97.3 | Preferred for body text |
| Black text on #274368 | 2.08:1 | Fails | Lc 10.7 | Not readable |
| #274368 text on white | 10.05:1 | AAA | Lc 93.2 | Preferred for body text |
| #274368 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
#E3EBF5
oklch(93.7% 0.016 253.9)
-
Step 200
200
#CCDAED
oklch(88.4% 0.03 256)
-
Step 300
300
#AAC3E4
oklch(81% 0.054 255.4)
-
Step 400
400
#7DA3D6
oklch(70.7% 0.086 255.9)
-
Step 500
500
#5B8BCC
oklch(63.1% 0.112 256.3)
-
Step 600
600
#4074B8
oklch(55.5% 0.12 255.9)
-
Step 700
700
#32619F
oklch(49.1% 0.112 256.1)
-
Step 800
800
#2A5081
oklch(42.8% 0.093 255.6)
-
Step 900
900 (this color)
#274368
oklch(37.9% 0.072 255.9)
-
Step 950
950
#17273C
oklch(27% 0.045 255.6)
#274368 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) | #34456A | 0.019 |
| Deuteranopia (no green cones) | #2B3F67 | 0.012 |
| Tritanopia (no blue cones) | #004B50 | 0.062 |
| Achromatopsia (no color) | #424242 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #274368
#274368
oklch(37.9% 0.072 255.9)
- #583C0C
#583C0C
oklch(37.9% 0.072 75.8)
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 #274368, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.027
- Twilight Blue #0A437A ΔE 0.037
- Charcoal #264653 ΔE 0.041
- Marine Blue #01386A ΔE 0.050
- Dark Blue Grey #1F3B4D ΔE 0.051
- Prussian Blue #1D3557 ΔE 0.052
- Light Navy #155084 ΔE 0.055
- Deep Sea Blue #015482 ΔE 0.060
Use #274368 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.