#104363
Closest named color: Dark Grey Blue (#29465B). oklch(36.7% 0.076 241.5), rgb(16, 67, 99).
Aa
White text reads best on this color (10.47:1).
About this color
#104363 is a dark, moderately saturated blue. In OKLCH its lightness is 37%, its chroma 0.076 and its hue 241°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.029 away. White text reads best on it, at 10.47:1.
| Hue family | Blues |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.00:1 |
| White text | 10.47:1 |
Values
| HEX | #104363 |
| RGB | rgb(16, 67, 99) |
| HSL | hsl(203, 72%, 23%) |
| OKLCH | oklch(36.7% 0.076 241.5) |
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 #104363 | 10.47:1 | AAA | Lc -98.0 | Preferred for body text |
| Black text on #104363 | 2.00:1 | Fails | Lc 9.9 | Not readable |
| #104363 text on white | 10.47:1 | AAA | Lc 94.0 | Preferred for body text |
| #104363 text on black | 2.00:1 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1ECF4
oklch(93.7% 0.016 239.1)
-
Step 200
200
#C8DCED
oklch(88.5% 0.032 243.7)
-
Step 300
300
#A1C6E3
oklch(80.9% 0.057 242)
-
Step 400
400
#6BA8D4
oklch(70.7% 0.09 241)
-
Step 500
500
#3E91C9
oklch(63% 0.116 241.6)
-
Step 600
600
#0F7AB6
oklch(55.5% 0.127 241.8)
-
Step 700
700
#00679C
oklch(49.2% 0.116 241.5)
-
Step 800
800
#07547F
oklch(42.7% 0.097 241.6)
-
Step 900
900 (this color)
#104363
oklch(36.7% 0.076 241.5)
-
Step 950
950
#0E293C
oklch(27% 0.048 242.2)
#104363 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) | #344464 | 0.037 |
| Deuteranopia (no green cones) | #293C62 | 0.029 |
| Tritanopia (no blue cones) | #004B4E | 0.052 |
| Achromatopsia (no color) | #3F3F3F | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #104363
#104363
oklch(36.7% 0.076 241.5)
- #5B340C
#5B340C
oklch(36.6% 0.076 61.2)
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 #104363, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.029
- Charcoal #264653 ΔE 0.036
- Twilight Blue #0A437A ΔE 0.040
- Dark Blue Grey #1F3B4D ΔE 0.041
- Marine Blue #01386A ΔE 0.041
- Prussian Blue #1D3557 ΔE 0.045
- Midnight Green #073B4C ΔE 0.045
- Dark Teal #014D4E ΔE 0.057
Use #104363 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.