#1E8BDD
Closest named color: Dark Sky Blue (#448EE4). oklch(62% 0.154 247.5), rgb(30, 139, 221).
Aa
Black text reads best on this color (5.79:1).
About this color
#1E8BDD is a medium-dark, vivid blue. In OKLCH its lightness is 62%, its chroma 0.154 and its hue 248°. 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 5.79:1.
| Hue family | Blues |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.154) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 5.79:1 |
| White text | 3.62:1 |
Values
| HEX | #1E8BDD |
| RGB | rgb(30, 139, 221) |
| HSL | hsl(206, 76%, 49%) |
| OKLCH | oklch(62% 0.154 247.5) |
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 #1E8BDD | 3.62:1 | AA large text | Lc -68.8 | Content text, not long reading |
| Black text on #1E8BDD | 5.79:1 | AA | Lc 40.8 | Non-text elements, placeholder text |
| #1E8BDD text on white | 3.62:1 | AA large text | Lc 63.3 | Content text, not long reading |
| #1E8BDD text on black | 5.79:1 | AA | Lc -38.4 | 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
#DFECF8
oklch(93.7% 0.021 245.9)
-
Step 200
200
#C4DCF4
oklch(88.4% 0.042 248.3)
-
Step 300
300
#9AC6EF
oklch(81% 0.075 247)
-
Step 400
400
#5EA7E8
oklch(70.8% 0.121 247.3)
-
Step 500
500 (this color)
#1E8BDD
oklch(62% 0.154 247.5)
-
Step 600
600
#0077C4
oklch(55.5% 0.148 247.6)
-
Step 700
700
#0064A6
oklch(49.1% 0.131 247.6)
-
Step 800
800
#005289
oklch(42.7% 0.113 247.3)
-
Step 900
900
#004473
oklch(37.7% 0.1 247.4)
-
Step 950
950
#062844
oklch(27% 0.065 248)
#1E8BDD 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) | #638FE0 | 0.055 |
| Deuteranopia (no green cones) | #477FDB | 0.037 |
| Tritanopia (no blue cones) | #009FA9 | 0.110 |
| Achromatopsia (no color) | #868686 | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1E8BDD
#1E8BDD
oklch(62% 0.154 247.5)
- #BB7300
#BB7300
oklch(61.9% 0.136 67.4)
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 #1E8BDD, 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
- Water Blue #0E87CC ΔE 0.028
- Chefchaouen Blue #4895EF ΔE 0.047
- Dodger Blue #1E90FF ΔE 0.051
- Soft Blue #6488EA ΔE 0.058
- Cool Blue #4984B8 ΔE 0.058
- Windows Blue #3778BF ΔE 0.062
- Steel Blue #4682B4 ΔE 0.063
Use #1E8BDD 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.