#104F7A
Closest named color: Light Navy (#155084). oklch(41.2% 0.094 244.5), rgb(16, 79, 122).
Aa
White text reads best on this color (8.67:1).
About this color
#104F7A is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.094 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.017 away. White text reads best on it, at 8.67:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.42:1 |
| White text | 8.67:1 |
Values
| HEX | #104F7A |
| RGB | rgb(16, 79, 122) |
| HSL | hsl(204, 77%, 27%) |
| OKLCH | oklch(41.2% 0.094 244.5) |
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 #104F7A | 8.67:1 | AAA | Lc -93.9 | Preferred for body text |
| Black text on #104F7A | 2.42:1 | Fails | Lc 14.6 | Not readable |
| #104F7A text on white | 8.67:1 | AAA | Lc 89.4 | Fine for body text |
| #104F7A text on black | 2.42:1 | Fails | Lc -12.9 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1EBF4
oklch(93.5% 0.016 245.1)
-
Step 200
200
#C9DCEC
oklch(88.5% 0.03 243.4)
-
Step 300
300
#A3C5E2
oklch(80.8% 0.055 244.3)
-
Step 400
400
#70A7D4
oklch(70.8% 0.088 244.2)
-
Step 500
500
#4790C8
oklch(63.1% 0.112 244.1)
-
Step 600
600
#2479B5
oklch(55.6% 0.122 244.5)
-
Step 700
700
#15669C
oklch(49.2% 0.113 244.3)
-
Step 800
800 (this color)
#104F7A
oklch(41.2% 0.094 244.5)
-
Step 900
900
#1A4566
oklch(37.7% 0.074 244.9)
-
Step 950
950
#11293B
oklch(27.1% 0.045 243.2)
#104F7A 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) | #3B517C | 0.041 |
| Deuteranopia (no green cones) | #2C4779 | 0.030 |
| Tritanopia (no blue cones) | #005A5F | 0.066 |
| Achromatopsia (no color) | #4B4B4B | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #104F7A
#104F7A
oklch(41.2% 0.094 244.5)
- #6D3E00
#6D3E00
oklch(41.2% 0.093 64.2)
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 #104F7A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.017
- Deep Sea Blue #015482 ΔE 0.018
- Twilight Blue #0A437A ΔE 0.038
- Dusk Blue #26538D ΔE 0.038
- Cobalt #1E488F ΔE 0.045
- Light Navy Blue #2E5A88 ΔE 0.047
- Dark Grey Blue #29465B ΔE 0.054
- YInMn Blue #415A77 ΔE 0.061
Use #104F7A 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.