#104D93
Closest named color: Cobalt (#1E488F). oklch(42.5% 0.13 255.5), rgb(16, 77, 147).
Aa
White text reads best on this color (8.38:1).
About this color
#104D93 is a dark, moderately saturated blue. In OKLCH its lightness is 42%, its chroma 0.130 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.015 away. White text reads best on it, at 8.38:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.130) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.50:1 |
| White text | 8.38:1 |
Values
| HEX | #104D93 |
| RGB | rgb(16, 77, 147) |
| HSL | hsl(212, 80%, 32%) |
| OKLCH | oklch(42.5% 0.13 255.5) |
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 #104D93 | 8.38:1 | AAA | Lc -93.0 | Preferred for body text |
| Black text on #104D93 | 2.50:1 | Fails | Lc 15.6 | Dividers and decoration only |
| #104D93 text on white | 8.38:1 | AAA | Lc 88.4 | Fine for body text |
| #104D93 text on black | 2.50:1 | Fails | Lc -13.8 | 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 800.
-
Step 50
50
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E0EBF9
oklch(93.6% 0.022 254.4)
-
Step 200
200
#C7DBF5
oklch(88.5% 0.042 255)
-
Step 300
300
#A0C3F2
oklch(80.8% 0.077 255.9)
-
Step 400
400
#6CA3EB
oklch(70.7% 0.121 255.6)
-
Step 500
500
#428AE5
oklch(63.2% 0.155 255.6)
-
Step 600
600
#1D72D3
oklch(55.7% 0.168 255.4)
-
Step 700
700
#0E5FB7
oklch(49.2% 0.157 255.5)
-
Step 800
800 (this color)
#104D93
oklch(42.5% 0.13 255.5)
-
Step 900
900
#174176
oklch(37.7% 0.102 256)
-
Step 950
950
#0F2745
oklch(27.1% 0.064 255.3)
#104D93 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) | #265496 | 0.028 |
| Deuteranopia (no green cones) | #004892 | 0.017 |
| Tritanopia (no blue cones) | #005E69 | 0.097 |
| Achromatopsia (no color) | #4E4E4E | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #104D93
#104D93
oklch(42.5% 0.13 255.5)
- #6A4600
#6A4600
oklch(42.4% 0.089 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 #104D93, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.015
- Dusk Blue #26538D ΔE 0.027
- Light Navy #155084 ΔE 0.028
- Deep Sea Blue #015482 ΔE 0.038
- Twilight Blue #0A437A ΔE 0.049
- Light Navy Blue #2E5A88 ΔE 0.053
- Denim Blue #3B5B92 ΔE 0.059
- Blueberry #464196 ΔE 0.060
Use #104D93 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.