#1E89DF
Closest named color: Dark Sky Blue (#448EE4). oklch(61.6% 0.158 249), rgb(30, 137, 223).
Aa
Black text reads best on this color (5.69:1).
About this color
#1E89DF is a medium-dark, vivid blue. In OKLCH its lightness is 62%, its chroma 0.158 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.029 away. Black text reads best on it, at 5.69:1.
| Hue family | Blues |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.158) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 5.69:1 |
| White text | 3.68:1 |
Values
| HEX | #1E89DF |
| RGB | rgb(30, 137, 223) |
| HSL | hsl(207, 76%, 50%) |
| OKLCH | oklch(61.6% 0.158 249) |
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 #1E89DF | 3.68:1 | AA large text | Lc -69.4 | Content text, not long reading |
| Black text on #1E89DF | 5.69:1 | AA | Lc 40.2 | Non-text elements, placeholder text |
| #1E89DF text on white | 3.68:1 | AA large text | Lc 63.9 | Content text, not long reading |
| #1E89DF text on black | 5.69:1 | AA | Lc -37.8 | 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
#DFECF9
oklch(93.7% 0.022 248.1)
-
Step 200
200
#C4DCF5
oklch(88.5% 0.043 249.4)
-
Step 300
300
#9AC5F1
oklch(80.8% 0.078 249.4)
-
Step 400
400
#5EA6EA
oklch(70.7% 0.124 248.7)
-
Step 500
500 (this color)
#1E89DF
oklch(61.6% 0.158 249)
-
Step 600
600
#0076C8
oklch(55.5% 0.154 249.2)
-
Step 700
700
#0063A9
oklch(49% 0.136 249.1)
-
Step 800
800
#00518C
oklch(42.7% 0.118 249.2)
-
Step 900
900
#014375
oklch(37.6% 0.103 249.2)
-
Step 950
950
#062845
oklch(27% 0.066 248.8)
#1E89DF 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) | #5F8EE2 | 0.052 |
| Deuteranopia (no green cones) | #407EDD | 0.032 |
| Tritanopia (no blue cones) | #009EA9 | 0.115 |
| Achromatopsia (no color) | #858585 | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1E89DF
#1E89DF
oklch(61.6% 0.158 249)
- #B87300
#B87300
oklch(61.5% 0.134 68.7)
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 #1E89DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.029
- Water Blue #0E87CC ΔE 0.030
- Dodger Blue #1E90FF ΔE 0.049
- Chefchaouen Blue #4895EF ΔE 0.049
- Soft Blue #6488EA ΔE 0.057
- Windows Blue #3778BF ΔE 0.060
- Cool Blue #4984B8 ΔE 0.061
- Clear Blue #247AFD ΔE 0.063
Use #1E89DF 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.