#2B2F53
Closest named color: Prussian Blue (#1D3557). oklch(32% 0.064 277.3), rgb(43, 47, 83).
Aa
White text reads best on this color (12.85:1).
About this color
#2B2F53 is a dark, muted blue. In OKLCH its lightness is 32%, its chroma 0.064 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.024 away. White text reads best on it, at 12.85:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.63:1 |
| White text | 12.85:1 |
Values
| HEX | #2B2F53 |
| RGB | rgb(43, 47, 83) |
| HSL | hsl(234, 32%, 25%) |
| OKLCH | oklch(32% 0.064 277.3) |
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 #2B2F53 | 12.85:1 | AAA | Lc -102.2 | Preferred for body text |
| Black text on #2B2F53 | 1.63:1 | Fails | Lc 0.0 | Not readable |
| #2B2F53 text on white | 12.85:1 | AAA | Lc 98.9 | Preferred for body text |
| #2B2F53 text on black | 1.63:1 | 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 950.
-
Step 50
50
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E6E9F9
oklch(93.6% 0.022 277.5)
-
Step 200
200
#D2D7F6
oklch(88.5% 0.043 278.2)
-
Step 300
300
#B4BDF2
oklch(81% 0.076 277.1)
-
Step 400
400
#8E99EB
oklch(70.8% 0.12 277)
-
Step 500
500
#747DE5
oklch(63.1% 0.155 277.3)
-
Step 600
600
#5E64D3
oklch(55.7% 0.168 277.1)
-
Step 700
700
#4E52B7
oklch(49.1% 0.157 277.3)
-
Step 800
800
#404494
oklch(42.8% 0.129 277.3)
-
Step 900
900
#363A76
oklch(37.8% 0.101 277.5)
-
Step 950
950 (this color)
#2B2F53
oklch(32% 0.064 277.3)
#2B2F53 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) | #223354 | 0.017 |
| Deuteranopia (no green cones) | #1F3052 | 0.018 |
| Tritanopia (no blue cones) | #1E363D | 0.055 |
| Achromatopsia (no color) | #323232 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B2F53
#2B2F53
oklch(32% 0.064 277.3)
- #3C3302
#3C3302
oklch(32.1% 0.065 98)
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 #2B2F53, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.024
- Space Cadet #2B2D42 ΔE 0.030
- Gunmetal #293241 ΔE 0.037
- Dark Blue Grey #1F3B4D ΔE 0.044
- Marine #042E60 ΔE 0.048
- Midnight Green #073B4C ΔE 0.054
- Marine Blue #01386A ΔE 0.055
- Oxford Blue #1B263B ΔE 0.057
Use #2B2F53 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.