#293F63
Closest named color: Dark Grey Blue (#29465B). oklch(36.8% 0.068 259.9), rgb(41, 63, 99).
Aa
White text reads best on this color (10.57:1).
About this color
#293F63 is a dark, muted blue. In OKLCH its lightness is 37%, its chroma 0.068 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.029 away. White text reads best on it, at 10.57:1.
| Hue family | Blues |
| Lightness | dark (37%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 1.98:1 |
| White text | 10.57:1 |
Values
| HEX | #293F63 |
| RGB | rgb(41, 63, 99) |
| HSL | hsl(217, 41%, 27%) |
| OKLCH | oklch(36.8% 0.068 259.9) |
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 #293F63 | 10.57:1 | AAA | Lc -98.4 | Preferred for body text |
| Black text on #293F63 | 1.98:1 | Fails | Lc 9.5 | Not readable |
| #293F63 text on white | 10.57:1 | AAA | Lc 94.4 | Preferred for body text |
| #293F63 text on black | 1.98:1 | Fails | Lc -8.2 | 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EAF4
oklch(93.5% 0.015 260.7)
-
Step 200
200
#CEDAEC
oklch(88.5% 0.028 258.4)
-
Step 300
300
#AEC2E2
oklch(81% 0.05 259.8)
-
Step 400
400
#83A2D4
oklch(70.8% 0.081 259.8)
-
Step 500
500
#638AC9
oklch(63.1% 0.105 259.7)
-
Step 600
600
#4A73B6
oklch(55.7% 0.114 259.8)
-
Step 700
700
#3B609C
oklch(49.1% 0.106 259.6)
-
Step 800
800
#314F7F
oklch(42.8% 0.088 259.4)
-
Step 900
900 (this color)
#293F63
oklch(36.8% 0.068 259.9)
-
Step 950
950
#1A273C
oklch(27.2% 0.043 259.7)
#293F63 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) | #314264 | 0.015 |
| Deuteranopia (no green cones) | #293C62 | 0.009 |
| Tritanopia (no blue cones) | #06474C | 0.061 |
| Achromatopsia (no color) | #3F3F3F | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #293F63
#293F63
oklch(36.8% 0.068 259.9)
- #523A0C
#523A0C
oklch(36.7% 0.068 79.1)
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 #293F63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.029
- Prussian Blue #1D3557 ΔE 0.040
- Charcoal #264653 ΔE 0.041
- Dark Blue Grey #1F3B4D ΔE 0.042
- Twilight Blue #0A437A ΔE 0.044
- Marine Blue #01386A ΔE 0.045
- Midnight Green #073B4C ΔE 0.054
- Onyx #343A40 ΔE 0.060
Use #293F63 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.