#274164
Closest named color: Dark Grey Blue (#29465B). oklch(37.2% 0.069 256.2), rgb(39, 65, 100).
Aa
White text reads best on this color (10.36:1).
About this color
#274164 is a dark, muted blue. In OKLCH its lightness is 37%, its chroma 0.069 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.026 away. White text reads best on it, at 10.36:1.
| Hue family | Blues |
| Lightness | dark (37%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.02:1 |
| White text | 10.36:1 |
Values
| HEX | #274164 |
| RGB | rgb(39, 65, 100) |
| HSL | hsl(214, 44%, 27%) |
| OKLCH | oklch(37.2% 0.069 256.2) |
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 #274164 | 10.36:1 | AAA | Lc -98.0 | Preferred for body text |
| Black text on #274164 | 2.02:1 | Fails | Lc 10.0 | Not readable |
| #274164 text on white | 10.36:1 | AAA | Lc 93.9 | Preferred for body text |
| #274164 text on black | 2.02:1 | Fails | Lc -8.6 | 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
#E4EAF4
oklch(93.5% 0.015 260.7)
-
Step 200
200
#CDDAEC
oklch(88.4% 0.029 256.5)
-
Step 300
300
#ABC3E2
oklch(80.9% 0.051 254.9)
-
Step 400
400
#7FA3D4
oklch(70.7% 0.082 256.2)
-
Step 500
500
#5E8BC8
oklch(63% 0.105 256.3)
-
Step 600
600
#4474B5
oklch(55.5% 0.115 256.4)
-
Step 700
700
#35619C
oklch(49% 0.107 256.3)
-
Step 800
800
#2D507E
oklch(42.8% 0.087 255.9)
-
Step 900
900 (this color)
#274164
oklch(37.2% 0.069 256.2)
-
Step 950
950
#18273B
oklch(27% 0.043 255.9)
#274164 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) | #334365 | 0.018 |
| Deuteranopia (no green cones) | #2B3D63 | 0.012 |
| Tritanopia (no blue cones) | #00494E | 0.060 |
| Achromatopsia (no color) | #404040 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #274164
#274164
oklch(37.2% 0.069 256.2)
- #553B0E
#553B0E
oklch(37.3% 0.069 76.7)
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 #274164, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.026
- Charcoal #264653 ΔE 0.038
- Twilight Blue #0A437A ΔE 0.041
- Dark Blue Grey #1F3B4D ΔE 0.044
- Prussian Blue #1D3557 ΔE 0.044
- Marine Blue #01386A ΔE 0.047
- Midnight Green #073B4C ΔE 0.055
- Onyx #343A40 ΔE 0.062
Use #274164 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.