#10364C
Closest named color: Midnight Green (#073B4C). oklch(31.8% 0.058 238.1), rgb(16, 54, 76).
Aa
White text reads best on this color (12.69:1).
About this color
#10364C is a dark, muted blue. In OKLCH its lightness is 32%, its chroma 0.058 and its hue 238°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.017 away. White text reads best on it, at 12.69:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.65:1 |
| White text | 12.69:1 |
Values
| HEX | #10364C |
| RGB | rgb(16, 54, 76) |
| HSL | hsl(202, 65%, 18%) |
| OKLCH | oklch(31.8% 0.058 238.1) |
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 #10364C | 12.69:1 | AAA | Lc -101.9 | Preferred for body text |
| Black text on #10364C | 1.65:1 | Fails | Lc 0.0 | Not readable |
| #10364C text on white | 12.69:1 | AAA | Lc 98.5 | Preferred for body text |
| #10364C text on black | 1.65:1 | 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
#F0F6FB
oklch(97% 0.009 242.8)
-
Step 100
100
#DEECF6
oklch(93.6% 0.02 238.7)
-
Step 200
200
#C3DDF0
oklch(88.4% 0.038 239.6)
-
Step 300
300
#97C8E8
oklch(80.9% 0.068 237.3)
-
Step 400
400
#58AADD
oklch(70.7% 0.11 238.3)
-
Step 500
500
#0293D3
oklch(63% 0.14 238.2)
-
Step 600
600
#007CB2
oklch(55.6% 0.123 237.7)
-
Step 700
700
#006897
oklch(49.1% 0.109 238.1)
-
Step 800
800
#00557C
oklch(42.7% 0.094 237.9)
-
Step 900
900
#004768
oklch(37.7% 0.083 237.5)
-
Step 950
950 (this color)
#10364C
oklch(31.8% 0.058 238.1)
#10364C 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) | #2C364D | 0.033 |
| Deuteranopia (no green cones) | #23304C | 0.026 |
| Tritanopia (no blue cones) | #003C3E | 0.039 |
| Achromatopsia (no color) | #333333 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #10364C
#10364C
oklch(31.8% 0.058 238.1)
- #482A12
#482A12
oklch(31.8% 0.058 57.2)
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 #10364C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.017
- Dark Blue Grey #1F3B4D ΔE 0.024
- Prussian Blue #1D3557 ΔE 0.025
- Gunmetal #293241 ΔE 0.032
- Space Cadet #2B2D42 ΔE 0.041
- Marine #042E60 ΔE 0.049
- Onyx #343A40 ΔE 0.052
- Marine Blue #01386A ΔE 0.053
Use #10364C 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.