#104C7D
Closest named color: Light Navy (#155084). oklch(40.7% 0.101 248.6), rgb(16, 76, 125).
Aa
White text reads best on this color (8.92:1).
About this color
#104C7D is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.101 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.016 away. White text reads best on it, at 8.92:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.101) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.35:1 |
| White text | 8.92:1 |
Values
| HEX | #104C7D |
| RGB | rgb(16, 76, 125) |
| HSL | hsl(207, 77%, 28%) |
| OKLCH | oklch(40.7% 0.101 248.6) |
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 #104C7D | 8.92:1 | AAA | Lc -94.5 | Preferred for body text |
| Black text on #104C7D | 2.35:1 | Fails | Lc 13.9 | Not readable |
| #104C7D text on white | 8.92:1 | AAA | Lc 90.1 | Preferred for body text |
| #104C7D text on black | 2.35:1 | Fails | Lc -12.2 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF5
oklch(93.5% 0.017 248)
-
Step 200
200
#C9DCEE
oklch(88.6% 0.032 246.7)
-
Step 300
300
#A4C5E6
oklch(81% 0.059 248.6)
-
Step 400
400
#71A6D9
oklch(70.8% 0.094 248.3)
-
Step 500
500
#488ECF
oklch(63% 0.121 248.8)
-
Step 600
600
#2777BC
oklch(55.6% 0.131 248.9)
-
Step 700
700
#1864A2
oklch(49.1% 0.122 248.6)
-
Step 800
800 (this color)
#104C7D
oklch(40.7% 0.101 248.6)
-
Step 900
900
#1B4469
oklch(37.7% 0.078 248.6)
-
Step 950
950
#11283E
oklch(27% 0.05 249.3)
#104C7D 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) | #344F7F | 0.034 |
| Deuteranopia (no green cones) | #24457C | 0.023 |
| Tritanopia (no blue cones) | #00585E | 0.073 |
| Achromatopsia (no color) | #4A4A4A | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #104C7D
#104C7D
oklch(40.7% 0.101 248.6)
- #683F00
#683F00
oklch(40.7% 0.089 68.9)
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 #104C7D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.016
- Deep Sea Blue #015482 ΔE 0.024
- Twilight Blue #0A437A ΔE 0.028
- Cobalt #1E488F ΔE 0.035
- Dusk Blue #26538D ΔE 0.038
- Light Navy Blue #2E5A88 ΔE 0.053
- Dark Grey Blue #29465B ΔE 0.058
- Marine Blue #01386A ΔE 0.068
Use #104C7D 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.