#19527A
Closest named color: Deep Sea Blue (#015482). oklch(42.2% 0.088 243.7), rgb(25, 82, 122).
Aa
White text reads best on this color (8.30:1).
About this color
#19527A is a dark, moderately saturated blue. In OKLCH its lightness is 42%, its chroma 0.088 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sea Blue (#015482), ΔE 0.015 away. White text reads best on it, at 8.30:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Deep Sea Blue (#015482) |
| Black text | 2.52:1 |
| White text | 8.30:1 |
Values
| HEX | #19527A |
| RGB | rgb(25, 82, 122) |
| HSL | hsl(205, 66%, 29%) |
| OKLCH | oklch(42.2% 0.088 243.7) |
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 #19527A | 8.30:1 | AAA | Lc -93.0 | Preferred for body text |
| Black text on #19527A | 2.52:1 | Fails | Lc 15.6 | Dividers and decoration only |
| #19527A text on white | 8.30:1 | AAA | Lc 88.3 | Fine for body text |
| #19527A text on black | 2.52:1 | Fails | Lc -13.8 | 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 800.
-
Step 50
50
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF3
oklch(93.6% 0.015 244.7)
-
Step 200
200
#CADCEB
oklch(88.6% 0.028 243.1)
-
Step 300
300
#A5C5E0
oklch(80.9% 0.052 243.9)
-
Step 400
400
#73A7D1
oklch(70.8% 0.083 243.7)
-
Step 500
500
#4C90C4
oklch(63.1% 0.105 243.7)
-
Step 600
600
#2B79B1
oklch(55.5% 0.115 244.1)
-
Step 700
700
#1C6698
oklch(49.1% 0.106 243.5)
-
Step 800
800 (this color)
#19527A
oklch(42.2% 0.088 243.7)
-
Step 900
900
#1D4563
oklch(37.7% 0.068 243.8)
-
Step 950
950
#12293A
oklch(27.1% 0.043 242.6)
#19527A 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) | #3F537C | 0.039 |
| Deuteranopia (no green cones) | #324A79 | 0.030 |
| Tritanopia (no blue cones) | #005C60 | 0.062 |
| Achromatopsia (no color) | #4E4E4E | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #19527A
#19527A
oklch(42.2% 0.088 243.7)
- #6F420E
#6F420E
oklch(42.4% 0.088 63.8)
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 #19527A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sea Blue #015482 ΔE 0.015
- Light Navy #155084 ΔE 0.019
- Dusk Blue #26538D ΔE 0.034
- Light Navy Blue #2E5A88 ΔE 0.038
- Twilight Blue #0A437A ΔE 0.049
- Cobalt #1E488F ΔE 0.050
- YInMn Blue #415A77 ΔE 0.050
- Petrol #005F6A ΔE 0.056
Use #19527A 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.