#263A54
Closest named color: Dark Blue Grey (#1F3B4D). oklch(34.4% 0.053 255.4), rgb(38, 58, 84).
Aa
White text reads best on this color (11.56:1).
About this color
#263A54 is a dark, muted blue. In OKLCH its lightness is 34%, its chroma 0.053 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Grey (#1F3B4D), ΔE 0.017 away. White text reads best on it, at 11.56:1.
| Hue family | Blues |
| Lightness | dark (34%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Dark Blue Grey (#1F3B4D) |
| Black text | 1.81:1 |
| White text | 11.56:1 |
Values
| HEX | #263A54 |
| RGB | rgb(38, 58, 84) |
| HSL | hsl(214, 38%, 24%) |
| OKLCH | oklch(34.4% 0.053 255.4) |
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 #263A54 | 11.56:1 | AAA | Lc -100.2 | Preferred for body text |
| Black text on #263A54 | 1.81:1 | Fails | Lc 7.3 | Not readable |
| #263A54 text on white | 11.56:1 | AAA | Lc 96.5 | Preferred for body text |
| #263A54 text on black | 1.81:1 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E5EAF2
oklch(93.6% 0.012 259.8)
-
Step 200
200
#D0DAE8
oklch(88.5% 0.022 256.7)
-
Step 300
300
#B0C2DA
oklch(80.8% 0.039 255.6)
-
Step 400
400
#87A3C8
oklch(70.8% 0.063 255.5)
-
Step 500
500
#688CBA
oklch(63.2% 0.081 254.9)
-
Step 600
600
#5075A6
oklch(55.6% 0.088 255.8)
-
Step 700
700
#40628E
oklch(49% 0.081 255.3)
-
Step 800
800
#355074
oklch(42.6% 0.069 255.9)
-
Step 900
900 (this color)
#263A54
oklch(34.4% 0.053 255.4)
-
Step 950
950
#1B2737
oklch(26.9% 0.034 255.8)
#263A54 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) | #303B55 | 0.015 |
| Deuteranopia (no green cones) | #2A3753 | 0.010 |
| Tritanopia (no blue cones) | #104043 | 0.047 |
| Achromatopsia (no color) | #393939 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #263A54
#263A54
oklch(34.4% 0.053 255.4)
- #493517
#493517
oklch(34.5% 0.053 75.5)
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 #263A54, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Grey #1F3B4D ΔE 0.017
- Prussian Blue #1D3557 ΔE 0.022
- Midnight Green #073B4C ΔE 0.033
- Gunmetal #293241 ΔE 0.037
- Dark Grey Blue #29465B ΔE 0.039
- Onyx #343A40 ΔE 0.040
- Charcoal #264653 ΔE 0.040
- Space Cadet #2B2D42 ΔE 0.046
Use #263A54 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.