#1B98FF
Closest named color: Dodger Blue (#1E90FF). oklch(66.9% 0.182 250.3), rgb(27, 152, 255).
Aa
Black text reads best on this color (6.98:1).
About this color
#1B98FF is a medium-light, vivid blue. In OKLCH its lightness is 67%, its chroma 0.182 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Dodger Blue (#1E90FF), ΔE 0.021 away. Black text reads best on it, at 6.98:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.182) |
| Temperature | cool |
| Nearest name | Dodger Blue (#1E90FF) |
| Black text | 6.98:1 |
| White text | 3.00:1 |
Values
| HEX | #1B98FF |
| RGB | rgb(27, 152, 255) |
| HSL | hsl(207, 100%, 55%) |
| OKLCH | oklch(66.9% 0.182 250.3) |
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 #1B98FF | 3.00:1 | AA large text | Lc -61.5 | Content text, not long reading |
| Black text on #1B98FF | 6.98:1 | AA | Lc 47.9 | Large or bold text, headings |
| #1B98FF text on white | 3.00:1 | AA large text | Lc 56.1 | Large or bold text, headings |
| #1B98FF text on black | 6.98:1 | AA | Lc -45.6 | Large or bold text, headings |
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 400.
-
Step 50
50
#EFF6FF
oklch(97% 0.014 254.6)
-
Step 100
100
#DBECFF
oklch(93.6% 0.032 251.1)
-
Step 200
200
#BDDDFF
oklch(88.5% 0.058 250.1)
-
Step 300
300
#8FC6FF
oklch(81% 0.099 250)
-
Step 400
400 (this color)
#1B98FF
oklch(66.9% 0.182 250.3)
-
Step 500
500
#008CF1
oklch(63.1% 0.18 250.4)
-
Step 600
600
#0075CB
oklch(55.5% 0.159 250.4)
-
Step 700
700
#0062AC
oklch(49% 0.141 250.5)
-
Step 800
800
#00508E
oklch(42.6% 0.122 250.5)
-
Step 900
900
#004378
oklch(37.8% 0.108 250.3)
-
Step 950
950
#00274A
oklch(26.9% 0.077 250.5)
#1B98FF 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) | #649FFF | 0.054 |
| Deuteranopia (no green cones) | #3D8CFD | 0.032 |
| Tritanopia (no blue cones) | #00B1BF | 0.133 |
| Achromatopsia (no color) | #959595 | 0.182 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B98FF
#1B98FF
oklch(66.9% 0.182 250.3)
- #CC8300
#CC8300
oklch(67% 0.145 70.6)
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 #1B98FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dodger Blue #1E90FF ΔE 0.021
- Chefchaouen Blue #4895EF ΔE 0.030
- Dark Sky Blue #448EE4 ΔE 0.045
- Cornflower Blue #6495ED ΔE 0.051
- Soft Blue #6488EA ΔE 0.061
- Clear Blue #247AFD ΔE 0.076
- Water Blue #0E87CC ΔE 0.084
- Cornflower #6A79F7 ΔE 0.088
Use #1B98FF 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.