#104889
Closest named color: Cobalt (#1E488F). oklch(40.5% 0.122 255.5), rgb(16, 72, 137).
Aa
White text reads best on this color (9.09:1).
About this color
#104889 is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.122 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.014 away. White text reads best on it, at 9.09:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.122) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.31:1 |
| White text | 9.09:1 |
Values
| HEX | #104889 |
| RGB | rgb(16, 72, 137) |
| HSL | hsl(212, 79%, 30%) |
| OKLCH | oklch(40.5% 0.122 255.5) |
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 #104889 | 9.09:1 | AAA | Lc -94.8 | Preferred for body text |
| Black text on #104889 | 2.31:1 | Fails | Lc 13.6 | Not readable |
| #104889 text on white | 9.09:1 | AAA | Lc 90.4 | Preferred for body text |
| #104889 text on black | 2.31:1 | Fails | Lc -11.9 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF8
oklch(93.6% 0.021 254.9)
-
Step 200
200
#C8DBF4
oklch(88.5% 0.04 255.3)
-
Step 300
300
#A2C3EF
oklch(80.8% 0.072 255.7)
-
Step 400
400
#6FA3E7
oklch(70.7% 0.115 255.5)
-
Step 500
500
#478ADF
oklch(63% 0.146 255.5)
-
Step 600
600
#2772CD
oklch(55.5% 0.158 255.7)
-
Step 700
700
#195FB2
oklch(49.1% 0.148 255.8)
-
Step 800
800 (this color)
#104889
oklch(40.5% 0.122 255.5)
-
Step 900
900
#1A4273
oklch(37.8% 0.095 255.2)
-
Step 950
950
#112743
oklch(27.1% 0.059 255.4)
#104889 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) | #244E8B | 0.025 |
| Deuteranopia (no green cones) | #024388 | 0.017 |
| Tritanopia (no blue cones) | #005862 | 0.092 |
| Achromatopsia (no color) | #484848 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #104889
#104889
oklch(40.5% 0.122 255.5)
- #634100
#634100
oklch(40.4% 0.085 75.4)
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 #104889, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.014
- Light Navy #155084 ΔE 0.027
- Twilight Blue #0A437A ΔE 0.029
- Dusk Blue #26538D ΔE 0.039
- Deep Sea Blue #015482 ΔE 0.039
- Light Navy Blue #2E5A88 ΔE 0.062
- Blueberry #464196 ΔE 0.064
- Dark Slate Blue #483D8B ΔE 0.066
Use #104889 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.