#1953AC
Closest named color: Dusk Blue (#26538D). oklch(45.9% 0.155 259.3), rgb(25, 83, 172).
Aa
White text reads best on this color (7.30:1).
About this color
#1953AC is a medium-dark, vivid blue. In OKLCH its lightness is 46%, its chroma 0.155 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.051 away. White text reads best on it, at 7.30:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.155) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.87:1 |
| White text | 7.30:1 |
Values
| HEX | #1953AC |
| RGB | rgb(25, 83, 172) |
| HSL | hsl(216, 75%, 39%) |
| OKLCH | oklch(45.9% 0.155 259.3) |
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 #1953AC | 7.30:1 | AAA | Lc -89.7 | Fine for body text |
| Black text on #1953AC | 2.87:1 | Fails | Lc 19.2 | Dividers and decoration only |
| #1953AC text on white | 7.30:1 | AAA | Lc 84.8 | Fine for body text |
| #1953AC text on black | 2.87:1 | Fails | Lc -17.2 | Dividers and decoration only |
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 700.
-
Step 50
50
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF9
oklch(93.7% 0.022 256.7)
-
Step 200
200
#C9DAF5
oklch(88.4% 0.042 259.6)
-
Step 300
300
#A4C2F1
oklch(80.8% 0.074 259.3)
-
Step 400
400
#73A1EB
oklch(70.7% 0.12 259.6)
-
Step 500
500
#4E88E4
oklch(63.1% 0.152 259.3)
-
Step 600
600
#306FD3
oklch(55.5% 0.167 259.4)
-
Step 700
700 (this color)
#1953AC
oklch(45.9% 0.155 259.3)
-
Step 800
800
#1F4C94
oklch(42.7% 0.129 259.5)
-
Step 900
900
#1E4076
oklch(37.7% 0.101 259.3)
-
Step 950
950
#132645
oklch(27.1% 0.063 259.7)
#1953AC 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) | #165DAF | 0.027 |
| Deuteranopia (no green cones) | #0050AA | 0.015 |
| Tritanopia (no blue cones) | #006977 | 0.119 |
| Achromatopsia (no color) | #565656 | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1953AC
#1953AC
oklch(45.9% 0.155 259.3)
- #745000
#745000
oklch(45.9% 0.095 78.7)
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 #1953AC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.051
- Cobalt #1E488F ΔE 0.053
- Blue Blue #2242C7 ΔE 0.059
- Denim Blue #3B5B92 ΔE 0.059
- Sapphire #2138AB ΔE 0.065
- Light Navy #155084 ΔE 0.066
- Mid Blue #276AB3 ΔE 0.066
- Light Navy Blue #2E5A88 ΔE 0.067
Use #1953AC 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.