#104D6D
Closest named color: Dark Grey Blue (#29465B). oklch(39.9% 0.08 237.5), rgb(16, 77, 109).
Aa
White text reads best on this color (9.11:1).
About this color
#104D6D is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.080 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.035 away. White text reads best on it, at 9.11:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.30:1 |
| White text | 9.11:1 |
Values
| HEX | #104D6D |
| RGB | rgb(16, 77, 109) |
| HSL | hsl(201, 74%, 25%) |
| OKLCH | oklch(39.9% 0.08 237.5) |
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 #104D6D | 9.11:1 | AAA | Lc -95.0 | Preferred for body text |
| Black text on #104D6D | 2.30:1 | Fails | Lc 13.4 | Not readable |
| #104D6D text on white | 9.11:1 | AAA | Lc 90.6 | Preferred for body text |
| #104D6D text on black | 2.30:1 | Fails | Lc -11.7 | 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
#E0ECF4
oklch(93.6% 0.017 236.7)
-
Step 200
200
#C6DDED
oklch(88.5% 0.033 238.2)
-
Step 300
300
#9DC7E3
oklch(80.9% 0.06 237.7)
-
Step 400
400
#63A9D5
oklch(70.6% 0.096 237.8)
-
Step 500
500
#2D93CA
oklch(63.1% 0.122 237.5)
-
Step 600
600
#007CB2
oklch(55.6% 0.123 237.7)
-
Step 700
700
#006896
oklch(49.1% 0.108 237.6)
-
Step 800
800
#00557C
oklch(42.7% 0.094 237.9)
-
Step 900
900 (this color)
#104D6D
oklch(39.9% 0.08 237.5)
-
Step 950
950
#092A3C
oklch(27.1% 0.05 237)
#104D6D 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) | #3E4D6E | 0.045 |
| Deuteranopia (no green cones) | #31446C | 0.037 |
| Tritanopia (no blue cones) | #005558 | 0.051 |
| Achromatopsia (no color) | #484848 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #104D6D
#104D6D
oklch(39.9% 0.08 237.5)
- #673B16
#673B16
oklch(39.9% 0.08 57.3)
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 #104D6D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.035
- Deep Sea Blue #015482 ΔE 0.037
- Light Navy #155084 ΔE 0.039
- Twilight Blue #0A437A ΔE 0.042
- Charcoal #264653 ΔE 0.045
- Deep Teal #00555A ΔE 0.048
- Dark Teal #014D4E ΔE 0.056
- Dark Slate Gray #2F4F4F ΔE 0.057
Use #104D6D 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.