#191E49
Closest named color: Oxford Blue (#1B263B). oklch(25.8% 0.079 274.4), rgb(25, 30, 73).
Aa
White text reads best on this color (15.86:1).
About this color
#191E49 is a dark, moderately saturated blue. In OKLCH its lightness is 26%, its chroma 0.079 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.040 away. White text reads best on it, at 15.86:1.
| Hue family | Blues |
| Lightness | dark (26%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.32:1 |
| White text | 15.86:1 |
Values
| HEX | #191E49 |
| RGB | rgb(25, 30, 73) |
| HSL | hsl(234, 49%, 19%) |
| OKLCH | oklch(25.8% 0.079 274.4) |
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 #191E49 | 15.86:1 | AAA | Lc -105.3 | Preferred for body text |
| Black text on #191E49 | 1.32:1 | Fails | Lc 0.0 | Not readable |
| #191E49 text on white | 15.86:1 | AAA | Lc 102.6 | Preferred for body text |
| #191E49 text on black | 1.32:1 | Fails | Lc 0.0 | 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 950.
-
Step 50
50
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E4E9FD
oklch(93.6% 0.028 274.7)
-
Step 200
200
#CED7FC
oklch(88.4% 0.052 274.5)
-
Step 300
300
#AEBCFE
oklch(80.8% 0.095 274.8)
-
Step 400
400
#8597FD
oklch(70.7% 0.15 274.4)
-
Step 500
500
#6A79FB
oklch(63.1% 0.192 274.6)
-
Step 600
600
#545EEA
oklch(55.6% 0.208 274.3)
-
Step 700
700
#454CCC
oklch(49.1% 0.194 274.3)
-
Step 800
800
#393FA5
oklch(42.7% 0.161 274.7)
-
Step 900
900
#303783
oklch(37.7% 0.126 274.6)
-
Step 950
950 (this color)
#191E49
oklch(25.8% 0.079 274.4)
#191E49 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) | #05244B | 0.026 |
| Deuteranopia (no green cones) | #002048 | 0.029 |
| Tritanopia (no blue cones) | #002830 | 0.069 |
| Achromatopsia (no color) | #222222 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #191E49
#191E49
oklch(25.8% 0.079 274.4)
- #2C2300
#2C2300
oklch(25.9% 0.053 94.6)
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 #191E49, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.040
- Dark Indigo #1F0954 ΔE 0.051
- Dark #1B2431 ΔE 0.053
- Navy Blue #001146 ΔE 0.056
- Marine #042E60 ΔE 0.060
- Space Cadet #2B2D42 ΔE 0.063
- Rich Black #0D1B2A ΔE 0.063
- Midnight Blue #191970 ΔE 0.071
Use #191E49 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.