#2325A8
Closest named color: Indigo Blue (#3A18B1). oklch(37.5% 0.2 270.9), rgb(35, 37, 168).
Aa
White text reads best on this color (11.04:1).
About this color
#2325A8 is a dark, vivid blue. In OKLCH its lightness is 38%, its chroma 0.200 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Indigo Blue (#3A18B1), ΔE 0.037 away. White text reads best on it, at 11.04:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | vivid (0.200) |
| Temperature | cool |
| Nearest name | Indigo Blue (#3A18B1) |
| Black text | 1.90:1 |
| White text | 11.04:1 |
Values
| HEX | #2325A8 |
| RGB | rgb(35, 37, 168) |
| HSL | hsl(239, 66%, 40%) |
| OKLCH | oklch(37.5% 0.2 270.9) |
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 #2325A8 | 11.04:1 | AAA | Lc -98.3 | Preferred for body text |
| Black text on #2325A8 | 1.90:1 | Fails | Lc 9.6 | Not readable |
| #2325A8 text on white | 11.04:1 | AAA | Lc 94.4 | Preferred for body text |
| #2325A8 text on black | 1.90:1 | 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
#F2F5FF
oklch(97.1% 0.014 272.7)
-
Step 100
100
#E2E9FF
oklch(93.5% 0.031 271.7)
-
Step 200
200
#CBD8FF
oklch(88.5% 0.056 270.7)
-
Step 300
300
#A9BEFF
oklch(80.9% 0.095 270.4)
-
Step 400
400
#7E99FF
oklch(70.7% 0.152 270.9)
-
Step 500
500
#5F7BFF
oklch(63.1% 0.198 270.7)
-
Step 600
600
#4558FF
oklch(55.6% 0.245 270.7)
-
Step 700
700
#372BFF
oklch(49.1% 0.287 271)
-
Step 800
800
#2C1DD7
oklch(42.7% 0.256 271)
-
Step 900
900 (this color)
#2325A8
oklch(37.5% 0.2 270.9)
-
Step 950
950
#131963
oklch(27% 0.128 270.8)
#2325A8 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) | #0043AC | 0.061 |
| Deuteranopia (no green cones) | #0035A6 | 0.033 |
| Tritanopia (no blue cones) | #004D66 | 0.153 |
| Achromatopsia (no color) | #3C3C3C | 0.201 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2325A8
#2325A8
oklch(37.5% 0.2 270.9)
- #503F00
#503F00
oklch(37.5% 0.077 91.5)
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 #2325A8, closest first.
No curated palette has a color within ΔE 0.04 of #2325A8.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Indigo Blue #3A18B1 ΔE 0.037
- Sapphire #2138AB ΔE 0.037
- Ultramarine #2000B1 ΔE 0.038
- Cobalt Blue #030AA7 ΔE 0.051
- Royal #0C1793 ΔE 0.055
- Imperial Purple #480CA8 ΔE 0.064
- True Blue #010FCC ΔE 0.067
- Medium Blue #0000CD ΔE 0.072
Use #2325A8 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.