#293D88
Closest named color: Cobalt (#1E488F). oklch(38.9% 0.128 268.6), rgb(41, 61, 136).
Aa
White text reads best on this color (9.91:1).
About this color
#293D88 is a dark, moderately saturated blue. In OKLCH its lightness is 39%, its chroma 0.128 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.031 away. White text reads best on it, at 9.91:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.128) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.11:1 |
| White text | 9.91:1 |
Values
| HEX | #293D88 |
| RGB | rgb(41, 61, 136) |
| HSL | hsl(227, 54%, 35%) |
| OKLCH | oklch(38.9% 0.128 268.6) |
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 #293D88 | 9.91:1 | AAA | Lc -96.8 | Preferred for body text |
| Black text on #293D88 | 2.11:1 | Fails | Lc 11.3 | Not readable |
| #293D88 text on white | 9.91:1 | AAA | Lc 92.7 | Preferred for body text |
| #293D88 text on black | 2.11:1 | Fails | Lc -9.8 | 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 900.
-
Step 50
50
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E2EAFD
oklch(93.7% 0.027 267.5)
-
Step 200
200
#CAD9FD
oklch(88.6% 0.052 267.4)
-
Step 300
300
#A7BFFF
oklch(81% 0.095 268.4)
-
Step 400
400
#799AFF
oklch(70.6% 0.153 268.6)
-
Step 500
500
#597DFE
oklch(63.1% 0.196 268.5)
-
Step 600
600
#4262ED
oklch(55.6% 0.212 268.6)
-
Step 700
700
#3550CE
oklch(49.1% 0.197 268.6)
-
Step 800
800
#2B42A7
oklch(42.7% 0.164 268.6)
-
Step 900
900 (this color)
#293D88
oklch(38.9% 0.128 268.6)
-
Step 950
950
#16224D
oklch(26.9% 0.081 268.7)
#293D88 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) | #07478B | 0.033 |
| Deuteranopia (no green cones) | #003F86 | 0.029 |
| Tritanopia (no blue cones) | #004F5C | 0.105 |
| Achromatopsia (no color) | #434343 | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #293D88
#293D88
oklch(38.9% 0.128 268.6)
- #564200
#564200
oklch(39% 0.08 89.1)
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 #293D88, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.031
- Twilight Blue #0A437A ΔE 0.038
- Dark Slate Blue #483D8B ΔE 0.046
- Blueberry #464196 ΔE 0.050
- Light Navy #155084 ΔE 0.055
- Sapphire #2138AB ΔE 0.060
- Dusk Blue #26538D ΔE 0.061
- Marine Blue #01386A ΔE 0.065
Use #293D88 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.