#1F92DA
Closest named color: Dark Sky Blue (#448EE4). oklch(63.4% 0.144 243.1), rgb(31, 146, 218).
Aa
Black text reads best on this color (6.18:1).
About this color
#1F92DA is a medium-light, vivid blue. In OKLCH its lightness is 63%, its chroma 0.144 and its hue 243°. 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 6.18:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.144) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 6.18:1 |
| White text | 3.39:1 |
Values
| HEX | #1F92DA |
| RGB | rgb(31, 146, 218) |
| HSL | hsl(203, 75%, 49%) |
| OKLCH | oklch(63.4% 0.144 243.1) |
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 #1F92DA | 3.39:1 | AA large text | Lc -66.4 | Content text, not long reading |
| Black text on #1F92DA | 6.18:1 | AA | Lc 43.1 | Non-text elements, placeholder text |
| #1F92DA text on white | 3.39:1 | AA large text | Lc 60.9 | Content text, not long reading |
| #1F92DA text on black | 6.18:1 | AA | Lc -40.8 | 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
#F0F6FB
oklch(97% 0.009 242.8)
-
Step 100
100
#DFECF7
oklch(93.7% 0.02 243.4)
-
Step 200
200
#C4DDF2
oklch(88.6% 0.039 243.5)
-
Step 300
300
#99C7EB
oklch(81% 0.07 242.3)
-
Step 400
400
#5DA8E1
oklch(70.7% 0.112 243.3)
-
Step 500
500 (this color)
#1F92DA
oklch(63.4% 0.144 243.1)
-
Step 600
600
#007ABB
oklch(55.7% 0.134 242.9)
-
Step 700
700
#00669E
oklch(49% 0.119 243.2)
-
Step 800
800
#005483
oklch(42.8% 0.104 243)
-
Step 900
900
#00466E
oklch(37.8% 0.091 242.8)
-
Step 950
950
#052941
oklch(27% 0.06 243.1)
#1F92DA 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) | #7094DD | 0.065 |
| Deuteranopia (no green cones) | #5684D9 | 0.048 |
| Tritanopia (no blue cones) | #00A4AC | 0.099 |
| Achromatopsia (no color) | #8B8B8B | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F92DA
#1F92DA
oklch(63.4% 0.144 243.1)
- #C67402
#C67402
oklch(63.5% 0.144 63.4)
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 #1F92DA, 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 0.036
- Chefchaouen Blue #4895EF ΔE 0.042
- Dodger Blue #1E90FF ΔE 0.057
- Cool Blue #4984B8 ΔE 0.058
- Cornflower Blue #6495ED ΔE 0.061
- Blue NCS #118AB2 ΔE 0.063
- Soft Blue #6488EA ΔE 0.063
Use #1F92DA 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.