#313952
Closest named color: Dark Blue Grey (#1F3B4D). oklch(34.9% 0.045 270.3), rgb(49, 57, 82).
Aa
White text reads best on this color (11.42:1).
About this color
#313952 is a dark, muted blue. In OKLCH its lightness is 35%, its chroma 0.045 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Grey (#1F3B4D), ΔE 0.027 away. White text reads best on it, at 11.42:1.
| Hue family | Blues |
| Lightness | dark (35%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Dark Blue Grey (#1F3B4D) |
| Black text | 1.83:1 |
| White text | 11.42:1 |
Values
| HEX | #313952 |
| RGB | rgb(49, 57, 82) |
| HSL | hsl(225, 25%, 26%) |
| OKLCH | oklch(34.9% 0.045 270.3) |
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 #313952 | 11.42:1 | AAA | Lc -100.0 | Preferred for body text |
| Black text on #313952 | 1.83:1 | Fails | Lc 7.6 | Not readable |
| #313952 text on white | 11.42:1 | AAA | Lc 96.3 | Preferred for body text |
| #313952 text on black | 1.83:1 | Fails | Lc 0.0 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7EAF1
oklch(93.7% 0.01 267.4)
-
Step 200
200
#D4D9E6
oklch(88.5% 0.019 269.1)
-
Step 300
300
#B8C0D7
oklch(80.9% 0.034 270.4)
-
Step 400
400
#939FC3
oklch(70.6% 0.055 270.5)
-
Step 500
500
#7988B4
oklch(63.1% 0.069 269.8)
-
Step 600
600
#6271A0
oklch(55.6% 0.076 270.2)
-
Step 700
700
#515F89
oklch(49.2% 0.07 269.6)
-
Step 800
800
#434D6F
oklch(42.6% 0.058 271.2)
-
Step 900
900 (this color)
#313952
oklch(34.9% 0.045 270.3)
-
Step 950
950
#212635
oklch(27.1% 0.029 270.1)
#313952 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) | #313B53 | 0.006 |
| Deuteranopia (no green cones) | #2E3851 | 0.006 |
| Tritanopia (no blue cones) | #273E42 | 0.040 |
| Achromatopsia (no color) | #3A3A3A | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #313952
#313952
oklch(34.9% 0.045 270.3)
- #43391D
#43391D
oklch(34.8% 0.045 90.3)
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 #313952, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Grey #1F3B4D ΔE 0.027
- Prussian Blue #1D3557 ΔE 0.033
- Onyx #343A40 ΔE 0.033
- Gunmetal #293241 ΔE 0.037
- Dark Grey Blue #29465B ΔE 0.040
- Charcoal #264653 ΔE 0.043
- Space Cadet #2B2D42 ΔE 0.045
- Midnight Green #073B4C ΔE 0.046
Use #313952 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.