#1893DF
Closest named color: Dark Sky Blue (#448EE4). oklch(63.8% 0.15 243.7), rgb(24, 147, 223).
Aa
Black text reads best on this color (6.27:1).
About this color
#1893DF is a medium-light, vivid blue. In OKLCH its lightness is 64%, its chroma 0.150 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.027 away. Black text reads best on it, at 6.27:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.150) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 6.27:1 |
| White text | 3.34:1 |
Values
| HEX | #1893DF |
| RGB | rgb(24, 147, 223) |
| HSL | hsl(203, 81%, 48%) |
| OKLCH | oklch(63.8% 0.15 243.7) |
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 #1893DF | 3.34:1 | AA large text | Lc -65.8 | Content text, not long reading |
| Black text on #1893DF | 6.27:1 | AA | Lc 43.7 | Non-text elements, placeholder text |
| #1893DF text on white | 3.34:1 | AA large text | Lc 60.3 | Content text, not long reading |
| #1893DF text on black | 6.27:1 | AA | Lc -41.4 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F0F6FC
oklch(97% 0.01 247.9)
-
Step 100
100
#DEECF7
oklch(93.6% 0.021 241.4)
-
Step 200
200
#C3DDF3
oklch(88.5% 0.041 243.7)
-
Step 300
300
#98C7ED
oklch(81% 0.073 243.2)
-
Step 400
400
#5AA8E4
oklch(70.7% 0.117 243.8)
-
Step 500
500 (this color)
#1893DF
oklch(63.8% 0.15 243.7)
-
Step 600
600
#0079BC
oklch(55.5% 0.136 243.9)
-
Step 700
700
#00669F
oklch(49.1% 0.12 243.6)
-
Step 800
800
#005383
oklch(42.6% 0.105 243.8)
-
Step 900
900
#00456E
oklch(37.6% 0.092 243.7)
-
Step 950
950
#042942
oklch(27% 0.061 243.6)
#1893DF 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) | #6E96E2 | 0.065 |
| Deuteranopia (no green cones) | #5385DE | 0.047 |
| Tritanopia (no blue cones) | #00A6AF | 0.103 |
| Achromatopsia (no color) | #8C8C8C | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1893DF
#1893DF
oklch(63.8% 0.15 243.7)
- #C77500
#C77500
oklch(63.8% 0.145 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 #1893DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.027
- Chefchaouen Blue #4895EF ΔE 0.037
- Water Blue #0E87CC ΔE 0.041
- Dodger Blue #1E90FF ΔE 0.051
- Cornflower Blue #6495ED ΔE 0.058
- Soft Blue #6488EA ΔE 0.061
- Cool Blue #4984B8 ΔE 0.065
- Blue NCS #118AB2 ΔE 0.070
Use #1893DF 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.