#293F70
Closest named color: Twilight Blue (#0A437A). oklch(37.6% 0.089 264.3), rgb(41, 63, 112).
Aa
White text reads best on this color (10.29:1).
About this color
#293F70 is a dark, moderately saturated blue. In OKLCH its lightness is 38%, its chroma 0.089 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.028 away. White text reads best on it, at 10.29:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.03:1 |
| White text | 10.29:1 |
Values
| HEX | #293F70 |
| RGB | rgb(41, 63, 112) |
| HSL | hsl(221, 46%, 30%) |
| OKLCH | oklch(37.6% 0.089 264.3) |
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 #293F70 | 10.29:1 | AAA | Lc -97.8 | Preferred for body text |
| Black text on #293F70 | 2.03:1 | Fails | Lc 10.2 | Not readable |
| #293F70 text on white | 10.29:1 | AAA | Lc 93.7 | Preferred for body text |
| #293F70 text on black | 2.03:1 | Fails | Lc -8.8 | 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
#F2F5FC
oklch(97% 0.01 267.4)
-
Step 100
100
#E3EAF7
oklch(93.6% 0.019 263)
-
Step 200
200
#CDD9F2
oklch(88.4% 0.037 265.1)
-
Step 300
300
#ABC1EC
oklch(80.9% 0.066 263.7)
-
Step 400
400
#7F9FE3
oklch(70.6% 0.106 264.5)
-
Step 500
500
#5F86DB
oklch(63% 0.136 264.3)
-
Step 600
600
#466EC9
oklch(55.6% 0.148 264.3)
-
Step 700
700
#385CAE
oklch(49.2% 0.137 264.2)
-
Step 800
800
#2F4B8D
oklch(42.7% 0.114 264.7)
-
Step 900
900 (this color)
#293F70
oklch(37.6% 0.089 264.3)
-
Step 950
950
#182542
oklch(26.9% 0.057 264.6)
#293F70 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) | #294472 | 0.015 |
| Deuteranopia (no green cones) | #1F3D6F | 0.014 |
| Tritanopia (no blue cones) | #004A52 | 0.076 |
| Achromatopsia (no color) | #404040 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #293F70
#293F70
oklch(37.6% 0.089 264.3)
- #543D00
#543D00
oklch(37.5% 0.077 84.5)
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 #293F70, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.028
- Marine Blue #01386A ΔE 0.043
- Dark Grey Blue #29465B ΔE 0.047
- Prussian Blue #1D3557 ΔE 0.053
- Cobalt #1E488F ΔE 0.055
- Light Navy #155084 ΔE 0.055
- Charcoal #264653 ΔE 0.061
- Dark Blue Grey #1F3B4D ΔE 0.063
Use #293F70 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.