#104B7A
Closest named color: Light Navy (#155084). oklch(40.2% 0.098 248), rgb(16, 75, 122).
Aa
White text reads best on this color (9.09:1).
About this color
#104B7A is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.098 and its hue 248°. 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 9.09:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.098) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.30:1 |
| White text | 9.09:1 |
Values
| HEX | #104B7A |
| RGB | rgb(16, 75, 122) |
| HSL | hsl(207, 77%, 27%) |
| OKLCH | oklch(40.2% 0.098 248) |
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 #104B7A | 9.09:1 | AAA | Lc -94.9 | Preferred for body text |
| Black text on #104B7A | 2.30:1 | Fails | Lc 13.5 | Not readable |
| #104B7A text on white | 9.09:1 | AAA | Lc 90.5 | Preferred for body text |
| #104B7A text on black | 2.30:1 | Fails | Lc -11.8 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF5
oklch(93.6% 0.017 250.8)
-
Step 200
200
#C9DCEE
oklch(88.6% 0.032 246.7)
-
Step 300
300
#A4C5E4
oklch(81% 0.057 246.9)
-
Step 400
400
#72A6D7
oklch(70.8% 0.091 247.8)
-
Step 500
500
#4A8FCD
oklch(63.2% 0.117 247.9)
-
Step 600
600
#2978B9
oklch(55.7% 0.126 247.6)
-
Step 700
700
#1A64A0
oklch(49.1% 0.119 248.2)
-
Step 800
800 (this color)
#104B7A
oklch(40.2% 0.098 248)
-
Step 900
900
#1C4468
oklch(37.7% 0.077 248.4)
-
Step 950
950
#11283D
oklch(26.9% 0.049 248.1)
#104B7A 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) | #354E7C | 0.036 |
| Deuteranopia (no green cones) | #254479 | 0.024 |
| Tritanopia (no blue cones) | #00565C | 0.070 |
| Achromatopsia (no color) | #484848 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #104B7A
#104B7A
oklch(40.2% 0.098 248)
- #673E00
#673E00
oklch(40.3% 0.088 68.5)
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 #104B7A, 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 0.025
- Deep Sea Blue #015482 ΔE 0.028
- Cobalt #1E488F ΔE 0.039
- Dusk Blue #26538D ΔE 0.043
- Dark Grey Blue #29465B ΔE 0.053
- Light Navy Blue #2E5A88 ΔE 0.057
- Marine Blue #01386A ΔE 0.063
Use #104B7A 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.