#19405F
Closest named color: Dark Grey Blue (#29465B). oklch(35.9% 0.07 245.5), rgb(25, 64, 95).
Aa
White text reads best on this color (10.82:1).
About this color
#19405F is a dark, muted blue. In OKLCH its lightness is 36%, its chroma 0.070 and its hue 246°. 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 10.82:1.
| Hue family | Blues |
| Lightness | dark (36%) |
| Chroma | muted (0.070) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 1.93:1 |
| White text | 10.82:1 |
Values
| HEX | #19405F |
| RGB | rgb(25, 64, 95) |
| HSL | hsl(207, 58%, 24%) |
| OKLCH | oklch(35.9% 0.07 245.5) |
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 #19405F | 10.82:1 | AAA | Lc -98.8 | Preferred for body text |
| Black text on #19405F | 1.93:1 | Fails | Lc 9.1 | Not readable |
| #19405F text on white | 10.82:1 | AAA | Lc 94.9 | Preferred for body text |
| #19405F text on black | 1.93:1 | Fails | Lc -7.8 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF4
oklch(93.6% 0.016 248)
-
Step 200
200
#CADCEC
oklch(88.6% 0.029 244.9)
-
Step 300
300
#A5C5E1
oklch(80.9% 0.053 244.9)
-
Step 400
400
#74A6D2
oklch(70.7% 0.084 245.9)
-
Step 500
500
#4D8FC6
oklch(63% 0.107 245.8)
-
Step 600
600
#2E79B2
oklch(55.7% 0.115 245.2)
-
Step 700
700
#1F659A
oklch(49.1% 0.109 245.9)
-
Step 800
800
#1D537C
oklch(42.7% 0.088 245.2)
-
Step 900
900 (this color)
#19405F
oklch(35.9% 0.07 245.5)
-
Step 950
950
#13283B
oklch(26.9% 0.045 247.5)
#19405F 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) | #324160 | 0.029 |
| Deuteranopia (no green cones) | #283A5E | 0.023 |
| Tritanopia (no blue cones) | #00474B | 0.050 |
| Achromatopsia (no color) | #3D3D3D | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #19405F
#19405F
oklch(35.9% 0.07 245.5)
- #55340E
#55340E
oklch(35.8% 0.069 65.4)
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 #19405F, 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
- Dark Blue Grey #1F3B4D ΔE 0.032
- Prussian Blue #1D3557 ΔE 0.035
- Charcoal #264653 ΔE 0.035
- Midnight Green #073B4C ΔE 0.039
- Marine Blue #01386A ΔE 0.039
- Twilight Blue #0A437A ΔE 0.046
- Onyx #343A40 ΔE 0.058
Use #19405F 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.