#104A7C
Closest named color: Light Navy (#155084). oklch(40.1% 0.102 249.7), rgb(16, 74, 124).
Aa
White text reads best on this color (9.15:1).
About this color
#104A7C is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.102 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.022 away. White text reads best on it, at 9.15:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.102) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.29:1 |
| White text | 9.15:1 |
Values
| HEX | #104A7C |
| RGB | rgb(16, 74, 124) |
| HSL | hsl(208, 77%, 27%) |
| OKLCH | oklch(40.1% 0.102 249.7) |
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 #104A7C | 9.15:1 | AAA | Lc -95.1 | Preferred for body text |
| Black text on #104A7C | 2.29:1 | Fails | Lc 13.3 | Not readable |
| #104A7C text on white | 9.15:1 | AAA | Lc 90.7 | Preferred for body text |
| #104A7C text on black | 2.29:1 | Fails | Lc -11.6 | 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
#F0F6FC
oklch(97% 0.01 247.9)
-
Step 100
100
#DFEBF8
oklch(93.5% 0.022 250.2)
-
Step 200
200
#C5DCF5
oklch(88.5% 0.042 250.5)
-
Step 300
300
#9BC5F1
oklch(80.9% 0.077 250)
-
Step 400
400
#61A6E9
oklch(70.8% 0.121 249.2)
-
Step 500
500
#2C8DE3
oklch(63.1% 0.156 249.9)
-
Step 600
600
#0076CA
oklch(55.7% 0.156 249.7)
-
Step 700
700
#0063AB
oklch(49.2% 0.138 249.7)
-
Step 800
800
#00518D
oklch(42.7% 0.12 249.5)
-
Step 900
900 (this color)
#104A7C
oklch(40.1% 0.102 249.7)
-
Step 950
950
#082844
oklch(27% 0.064 249)
#104A7C 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) | #324D7E | 0.032 |
| Deuteranopia (no green cones) | #21447B | 0.019 |
| Tritanopia (no blue cones) | #00565D | 0.073 |
| Achromatopsia (no color) | #484848 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #104A7C
#104A7C
oklch(40.1% 0.102 249.7)
- #653E00
#653E00
oklch(40.1% 0.087 70)
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 #104A7C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.022
- Twilight Blue #0A437A ΔE 0.022
- Deep Sea Blue #015482 ΔE 0.030
- Cobalt #1E488F ΔE 0.035
- Dusk Blue #26538D ΔE 0.042
- Dark Grey Blue #29465B ΔE 0.056
- Light Navy Blue #2E5A88 ΔE 0.059
- Marine Blue #01386A ΔE 0.062
Use #104A7C 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.