#29458C
Closest named color: Cobalt (#1E488F). oklch(41% 0.123 265.2), rgb(41, 69, 140).
Aa
White text reads best on this color (9.03:1).
About this color
#29458C is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.123 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.012 away. White text reads best on it, at 9.03:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.123) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.32:1 |
| White text | 9.03:1 |
Values
| HEX | #29458C |
| RGB | rgb(41, 69, 140) |
| HSL | hsl(223, 55%, 35%) |
| OKLCH | oklch(41% 0.123 265.2) |
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 #29458C | 9.03:1 | AAA | Lc -94.9 | Preferred for body text |
| Black text on #29458C | 2.32:1 | Fails | Lc 13.5 | Not readable |
| #29458C text on white | 9.03:1 | AAA | Lc 90.4 | Preferred for body text |
| #29458C text on black | 2.32:1 | 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
#F2F5FC
oklch(97% 0.01 267.4)
-
Step 100
100
#E3EAF8
oklch(93.6% 0.02 264.5)
-
Step 200
200
#CCD9F4
oklch(88.4% 0.04 265.1)
-
Step 300
300
#AAC0F0
oklch(80.8% 0.072 265.6)
-
Step 400
400
#7E9FE9
oklch(70.8% 0.115 265.3)
-
Step 500
500
#5E85E2
oklch(63.2% 0.147 265.3)
-
Step 600
600
#456CD0
oklch(55.6% 0.161 265.5)
-
Step 700
700
#375AB4
oklch(49.2% 0.149 265.3)
-
Step 800
800 (this color)
#29458C
oklch(41% 0.123 265.2)
-
Step 900
900
#283E74
oklch(37.6% 0.096 265.4)
-
Step 950
950
#182544
oklch(27% 0.061 265.4)
#29458C 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) | #1D4E8F | 0.025 |
| Deuteranopia (no green cones) | #00458B | 0.027 |
| Tritanopia (no blue cones) | #005662 | 0.100 |
| Achromatopsia (no color) | #494949 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #29458C
#29458C
oklch(41% 0.123 265.2)
- #5F4600
#5F4600
oklch(41% 0.084 85.2)
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 #29458C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.012
- Light Navy #155084 ΔE 0.038
- Dusk Blue #26538D ΔE 0.040
- Twilight Blue #0A437A ΔE 0.041
- Blueberry #464196 ΔE 0.043
- Dark Slate Blue #483D8B ΔE 0.045
- Deep Sea Blue #015482 ΔE 0.052
- Sapphire #2138AB ΔE 0.062
Use #29458C 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.